Best Answer: To manipulate means to change. When you do a scientific experiment, the manipulative variable is the thing you change in order to see what happens. The responding variable is what you measure; it's the thing that changes in response to what you manipulate.
For loans and credit cards, avoid or limit interest charges. While it may sound like a bargain to pay the minimum due on your credit card so you have more money to spend on other things, the long-term costs of this strategy can be staggering.hat's because credit card interest rates can be quite high -- with the best of rates often being in the low double-digits. Instead, try to pay all or as much as possible of your outstanding credit card balance to avoid interest charges.
Yes you avoid paying interest on your credit card if you pay it off in full before the min. payment is due, this is the way to use credit cards. Your credit score will also go through the roof if you keep on doing this, not that you need a score anyway if you are tche kind who just pays and doesn't care about BORROW.se your credit card and pay it in full every month is the smart way to manage your finances, especially if you have a rewards card. Use their money interest free and get rewards for doing it.