Paying extra on a mortgage. How much can I save? [duplicate]
Can I pay $12,000 extra once a year or $1000 every month - which option is better? Depends when. If you mean 12K now vs 1K a month over the next 12 months, repeating this each year, now wins. If you mean saving 1K a month for 12 months then doing a lumpsum, the 1K a month wins. Basically, a sooner payment saves you more money than a later payment. The first option does sound better, but for a 30 year mortgage, is it that significant? Your number one issue is that you have a thirty year mortgage. The interest you pay on it is monstrous. For the 30 year term, you pay around 500K in interest. A 15-year mortgage is 300K cheaper (only 200K in interest will be paid). The monthly payment would be 1250 more. How much money and years on a mortgage can I save? When is the best time to pay? At the end of each year? You can knock off about a dozen years. Save I think ~250K. You can find mortgage calculators online or talk to your mortgage advisor to play around with the numbers. "When is the best time to pay? At the end of each year? If you save $1,000 each month at 1% so as to pay $12,000 at EOY on a 4.75% loan, you've lost ""4.75% - 1% = 3.75%"" over that year.  (And that's presuming you put the money in a ""high yield"" online savings account.) Thus, the best time to pay is as soon as you have the money. EDIT: This all assumes that you have an emergency fund (more than the bare minimum $1K), zero other debt with a higher rate than 4.75% and that you are getting the full company match from 401(k)." Paying $12,000 in lump sumps annually will mean a difference of about $250 in interest vs. paying $1,000 monthly. If front-load the big payment, that saves ~$250 over paying monthly over the year. If you planned to save that money each month and pay it at the end, then it would cost you ~$250 more in mortgage interest. So that's how much money you would have to make with that saved money to offset the cost. Over the life of the loan the choice between the two equates to less than $5,000. If you pay monthly it's easy to calculate that an extra $1,000/month would reduce the loan to 17 years, 3 months. That would give you a savings of ~$400,000 at the cost of paying $207,000 extra during those 17 years. Many people would suggest that you invest the money instead because the annual growth rates of the stock market are well in excess of your 4.375% mortgage. What you decide is up to you and how conservative your investing strategy is. If you're truly ready to pay an extra $1000 every month, and are confident you'll likely always be able to, you should refinance to a 15 year mortgage. 15 year mortgages are typically sold at around a half a point lower interest rates, meaning that instead of your 4.375% APR, you'll get something like 3.875% APR.  That's a lot of money over the course of the mortgage.  You'll end up paying around a thousand a month more - so, exactly what you're thinking of doing - and not only save money from that earlier payment, but also have a lower interest rate.  That 0.5% means something like $25k less over the life of the mortgage.  It's also the difference in about $130 or so a month in your required payment. Now of course you'll be locked into making that larger payment - so the difference between what you're suggesting and this is that you're paying an extra $25k in exchange for the ability to pay it off more slowly (in which case you'd also pay more interest, obviously, but in the best case scenario).  In the 15 year scenario you must make those ~$4000 payments.  In the 30 year scenario you can pay ~$2900 for a while if you lose your job or want to go on vacation or ... whatever. Of course, the reverse is also true: you'll have to make the payments, so you will.  Many people find enforced savings to be a good strategy (myself among them); I have a 15 year mortgage and am happy that I have to make the higher payment, because it means I can't spend that extra money frivolously. So what I'd do if I were you is shop around for a 15 year refi.  It'll cost a few grand, so don't take one unless you can save at least half a point, but if you can, do. How much can I save? Depends on inflation and what other investment opportunities you have. It could end up costing you millions. Can I pay $12,000 extra once a year or $1000 every month - which option is better?  It depends on how risk adverse you are.  The first option does sound better, but for a 30 year mortgage, is it that significant? How much of your time is it going to cost you to do it every month? What is keeping you from doing it every day? How much is your time worth to you. Giving the bank its money sooner is always better than giving it it's money from a saving interest perspective. When is the best time to pay?  See above.
"So, let's take a mortgage loan that allows prepayment without penalty. Say I have a 30 year mortgage and I have paid it for 15 years. By the 16th year almost all the interest on the 30 year loan has been paid to the bank This is incorrect thinking.  On a 30 year loan, at year 15 about 2/3's of the total interest to be paid has been paid, and the principal is about 1/3 lower than the original loan amount.  You may want to play with some amortization calculators that are freely available to see this in action.   If you were to pay off the balance, at that point, you would avoid paying the remaining 1/3 of interest.   Consider a 100K 30 year mortgage at 4.5% In month two the payment breaks down with $132 going to principal, and $374 going to interest.  If, in month one, you had an extra $132 and directed it to principal, you would save $374 in interest.  That is a great ROI and why it is wonderful to get out of debt as soon as possible.   The trouble with this is of course, is that most people can barely afford the mortgage payment when it is new so lets look at the same situation in year 15. Here, $271 would go to principal, and $235 to interest.  So you would have to come up with more money to save less interest.  It is still a great ROI, but less dramatic.   If you understand the ""magic"" of compounding interest, then you can understand loans.  It is just compounding interest in reverse.  It works against you." "Check to see if you can do this at this point. When I was refinancing the mortgage on my last house, I put a sizable ""extra"" chunk down like you're planning to do, but the amount of the loan had already gone through the processing (for lack of a more specific term).  My extra money went toward principal, but my payment was still the same as if I hadn't put any extra down. If you find out that it's too far along in the process, not to worry: extra emergency fund isn't a bad thing to have." To get a good estimate, go here  or other similar sites and see.  But basically, yes, you can save yourself a whole lot of money just by paying extra every month.  One note though, do make sure you are specifying that you want the money to go towards principal, not escrow or toward prepaying interest. A point that hasn't been mentioned is whether paying down the mortgage sooner will get you out of unnecessary additional costs, such as PMI or a lender's requirement that you carry flood insurance on the outstanding mortgage balance, rather than the actual value/replacement cost of the structures.  (My personal bugbear:  house worth about $100K, while the bare land could be sold for about twice that, so I'm paying about 50% extra for flood insurance.)  May not apply to your loan-from-parents situation, but in the general case it should be considered. FWIW, in your situation I'd probably invest the money. There is a way to get a reasonable estimate of what you still owe, and then the way to get the exact value. When the loan started they should have given you amortization table that laid out each payment including the principal, interest and balance for each payment. If there are any other fees included in the payment those also should have been detailed. Determine how may payments you have maid: did you make the first payment on day one, or the start of the next month? Was the last payment the 24th, or the next one? The table will then tell you what you owe after your most recent payment. To get the exact value call the lender. The amount grows  between payment due to the interest that is accumulating. They will need to know when the payment will arrive so they can give you the correct value. To calculate how much you will save do the following calculation: payment = monthly payment for principal and interest paymentsmade =Number of payments made = 24 paymentsremaining = Number of payments remaining = 60 - paymentsmade = 60-24 = 36 instantpayoff = number from loan company  savings = (payment * paymentsremaining ) - instantpayoff Depending on your bank you may receive an ACH discount for doing automatic withdrawals from a deposit account at that bank. Now, this depends on your bank and you need to do independent research on that topic. As far as dictating what your extra money goes towards each month (early payments, principal payments, interest payments) you need to discuss that with your bank. I'm sure it's not too difficult to find. In my experience most banks, so long as you didn't sign a contract on your mortgage where you're penalized for sending additional money, will apply extra money toward early payments, and not principal. I would suggest calling them. I know for my student loans I have to send a detailed list of my loans and in what order I want my extra payments toward each, otherwise it will be considered an early payment, or it will be spread evenly among them all. It will take a bit of sacrifice.  First, I'd review spending. Between you and all your family, try to separate the 'needs' from the 'wants' and cut out 75% of the 'wants.' Second, there's almost always part time work that can help raise extra money. Even if it's a small fraction of your current hourly pay, every bit you and your family can throw at that 30% debt will help get rid of it and help you get to the point when you can refinance the mortgage. "Basically, the easiest way to do this is to chart out the ""what-ifs"". Applying the amortization formula (see here) using the numbers you supplied and a little guesswork, I calculated an interest rate of 3.75% (which is good) and that you've already made 17 semi-monthly payments (8 and a half months' worth) of $680.04, out of a 30-year, 720-payment loan term. These are the numbers I will use. Let's now suppose that tomorrow, you found $100 extra every two weeks in your budget, and decided to put it toward your mortgage starting with the next payment. That makes the semi-monthly payments $780 each. You would pay off the mortgage in 23 years (making 557 more payments instead of 703 more). Your total payments will be $434,460, down from $478.040, so your interest costs on the loan were reduced by $43,580 (but, my mistake, we can't count this amount as money in the bank; it's included in the next amount of money to come in). Now, after the mortgage is paid off, you have $780 semi-monthly for the remaining 73 months of your original 30-year loan (a total of $113,880) which you can now do something else with. If you stuffed it in your mattress, you'd earn 0% and so that's the worst-case scenario. For anything else to be worth it, you must be getting a rate of return such that $100 payments, 24 times a year for a total of 703 payments must equal $113,880. We use the future value annuity formula (here): v = p*((i+1)n-1)/i, plugging in v ($113880, our FV goal), $100 for P (the monthly payment) and 703 for n (total number of payments. We're looking for i, the interest rate. We're making 24 payments per year, so the value of i we find will be 1/24 of the stated annual interest rate of any account you put it into. We find that in order to make the same amount of money on an annuity that you save by paying off the loan, the interest rate on the account must average 3.07%. However, you're probably not going to stuff the savings from the mortgage in your mattress and sleep on it for 6 years. What if you invest it, in the same security you're considering now? That would be 146 payments of $780 into an interest-bearing account, plus the interest savings. Now, the interest rate on the security must be greater, because you're not only saving money on the mortgage, you're making money on the savings. Assuming the annuity APR stays the same now vs later, we find that the APR on the annuity must equal, surprise, 3.75% in order to end up with the same amount of money. Why is that? Well, the interest growing on your $100 semi-monthly exactly offsets the interest you would save on the mortgage by reducing the principal by $100. Both the loan balance you would remove and the annuity balance you increase would accrue the same interest over the same time if they had the same rate. The main difference, to you, is that by paying into the annuity now, you have cash now; by paying into the mortgage now, you don't have money now, but you have WAY more money later. The actual real time-values of the money, however, are the same; the future value of $200/mo for 30 years is equal to $0/mo for 24 years and then $1560/mo for 6 years, but the real money paid in over 30 years is $72,000 vs $112,320. That kind of math is why analysts encourage people to start retirement saving early. One more thing. If you live in the United States, the interest charges on your mortgage are tax-deductible. So, that $43,580 you saved by paying down the mortgage? Take 25% of it and throw it away as taxes (assuming you're in the most common wage-earner tax bracket). That's $10895 in potential tax savings that you don't get over the life of the loan. If you penalize the ""pay-off-early"" track by subtracting those extra taxes, you find that the break-even APR on the annuity account is about 3.095%." By rounding my house payments up to the nearest $50.00, my 30 year mortgage was paid off in 7 years.  Initially, my mortgage payment was roughly $600, $50 going to principal and $550 going to interest (banker's profits). By paying $650, I was actually doubling the amount I was paying on principal.  Since interest is computed as a function (percentage) of the outstanding principal balance, the amount of my fixed payment that went to interest decreased each month, and the amount that went to principal increased. In 7 years I owned my home free and clear, and started putting the money I had been putting into the mortgage payments into investments. A rule of thumb I have discovered is that it takes half the time to save money to meet a goal that it takes to pay off the same debt. At this time there is one advantage of having a 30 year loan right now over a 15 year loan.  The down side is you will be paying 1% higher interest rate. So the question is can you beat 1% on the money you save every month. So Lets say instead of going with 15 year mortgage I get a 30 and put the $200 monthly difference in lets say the DIA fund.  Will I make more on that money than the interest I am losing?  My answer is probably yes.  Plus lets factor in inflation.  If we have any high inflation for a few years in the middle of that 30 not only with the true value of what you owe go down but the interest you can make in the bank could be higher than the 4% you are paying for your 30 year loan.   Just a risk reward thing I think more people should consider. If there's no prepayment penalty, and if the extra is applied to principal rather than just toward later payments, then paying extra saves you money. Paying more often, by itself, doesn't. Paying early within a single month (ie, paying off the loan at the same average rate) doesn't save enough you be worth considering First of all, you should absolutely put money into savings until you have at least a 6 month cushion, and preferably longer.  It doesn't matter if you get 0% interest in your savings and have a high interest rate mortgage, the cushion is still more important. Once you have a nice emergency fund, you can then consider the question of whether to pay more towards the mortgage if the numbers make sense.  However, in my opinion, it's not just a straight comparison of interest rates.  In other words, if your savings account gives you 1% and your mortgage is 5%, that's still not an automatic win for the mortgage. The reason is that by putting the money into your mortgage, you're locking it up and can't access it.  To me, money in the hand is worth a lot more than money that's yours on paper but not easily accessible. I don't know the math well enough, but you don't really need the math.  Just keep in mind that you have to weight the present value of putting that money into savings vs the future value of putting it into your mortgage and paying less interest at some point in the future.  Do the math and see how much you will save by paying the mortgage down faster, but also keep in mind that future money is worth less than present money.  A LOT less if you suddenly have an emergency or decide on a major purchase and need the money, but then have to jump through hoops to get to it.   To me, you need to save a considerable amount by paying down the mortgage, and also understand that your money is getting locked away, for it to make sense. The principal and interest are fixed, no matter how much money you throw at them. This is not correct. If I pay an extra $1000 in principal this month, then my mortgage balance is decreased. So slightly less interest accrues before my next payment. That means my next payment will be slightly more toward principal and slightly less toward interest than it would have been if I hadn't made an extra principal payment. This means that my principal will eventually drop to zero earlier than it would have if I had not made the extra payment, and I will end up making fewer total payments than I would have without the extra principal payments. Of course, the effect is even stronger if I make regular extra payments rather than a single one. Like paying off any debt, you can consider this payment essentially a risk free investment paying whatever is the interest rate on that debt. You know that by making this payment, you reduce your interest payments over the coming years by the interest rate on that amount.  Edit: In comments you said, you will pay your mortgage off earlier but you won't drop the amount required to pay each month. Look at a mortgage amortization table to see this. This isn't because of the amortization table, it's because of the contract terms between you and the lender. After you make an extra principal payment, a new amortization schedule has to be calculated one way or another. It would be possible to re-calculate a new reduced monthly payment keeping the number of payments remaining fixed. Or you can calculate a new repayment schedule keeping the total monthly payment fixed and reducing the number of payments.  It happens the banks prefer to do the 2nd of these rather than the first, so that's the terms they offer when lending. Perhaps someone more knowledgeable can comment on why they prefer that.  In any case, by reducing your principal you improve your personal balance sheet and build equity in the mortgaged property so that, for example, if you sell you'll keep more of the proceeds and use less to pay off your loan. "I've heard that the bank may agree to a ""one time adjustment"" to lower the payments on Mortgage #2 because of paying a very large payment. Is this something that really happens? It's to the banks advantage to reduce the payments in that situation.  If they were willing to loan you money previously, they should still be willing.  If they keep the payments the same, then you'll pay off the loan faster.  Just playing with a spreadsheet, paying off a third of the mortgage amount would eliminate the back half of the payments or reduces payments by around two fifths (leaving off any escrow or insurance).   If you can afford the payments, I'd lean towards leaving them at the current level and paying off the loan early.  But you know your circumstances better than we do.   If you are underfunded elsewhere, shore things up.  Fully fund your 401k and IRA.  Fill out your emergency fund.  Buy that new appliance that you don't quite need yet but will soon.  If you are paying PMI, you should reduce the principal down to the point where you no longer have to do so.  That's usually more than 20% equity (or less than an 80% loan).   There is an argument for investing the remainder in securities (stocks and bonds).  If you itemize, you can deduct the interest on your mortgage.  And then you can deduct other things, like local and state taxes.  If you're getting a higher return from securities than you'd pay on the mortgage, it can be a good investment.  Five or ten years from now, when your interest drops closer to the itemization threshold, you can cash out and pay off more of the mortgage than you could now.   The problem is that this might not be the best time for that.  The Buffett Indicator is currently higher than it was before the 2007-9 market crash.  That suggests that stocks aren't the best place for a medium term investment right now.   I'd pay down the mortgage.  You know the return on that.  No matter what happens with the market, it will save you on interest.  I'd keep the payments where they are now unless they are straining your budget unduly.  Pay off your thirty year mortgage in fifteen years." In general, saving money should be prioritized over extra debt payments. Every dollar that you spend paying down a debt will decrease the amount of principal owed; this will directly decrease the future interest payments you will make. However, as time goes on, you are dealing with a smaller and smaller set of principal; additionally, it is assumed that your income will grow (or at least keep pace with inflation), making the debt more bearable. On the other hand, every dollar you save (or invest) now will increase your future income - also making the future debt more bearable. Not only that, but the longer you save, the more value to you get from having saved, meaning you should save as early as possible. Finally, the benefits of paying down the mortgage early end when the mortgage is completely paid off, while the benefits of saving will continue (and even grow) after the house is owned free and clear.  That is, if you have an extra $100,000 to put into the mortgage during the life of the loan, you could sink that into the mortgage and see it disappear, or you could invest it, and reap the dividends for the rest of your life. Caveat emptor: behavior trumps numbers. This only works if you will actually be disciplined about saving the extra money rather than paying off debt. If you're the kind of person for whom money burns a hole in your pocket until you spend it, then use it on debt. But if you are able to save and invest that money, you will be better off in the long run.