Is AUTHOR wrong in the post ? POST : First post on Reddit, I'm on mobile so format may suck. Wall of text incoming.

The wife and I were trying to sell our townhome, and it was not happening. Been on the market for months. When we decided to sell it we decided to take my parents up on their offer to stay with them, as we have three young kids and trying to clean up after them for showings would be a nightmare. This has left our place empty for months. 

Wife has a friend who started a go fund me page as she just got a job across the country, but doesn't start for months and their lease ends now essentially, leaving her family with no income and no place to stay potentially. Wife floats the idea of renting our empty place to them for a few months by me, and I reluctantly agree.

We start to talk details, payment amounts, move in dates, etc. Turns out they can't afford to even cover our mortgage. Not a huge deal. We're offering as a way to help her, and her husband and kids. Besides anything is better than the nothing we're getting now. 

Through the conversations it's made clear on both sides that our place is still on the market, and could sell at any time. The friend is totally supportive and even goes so far as to tell us we can keep it listed while they're living there. I'm not having that and we schedule a date a few weeks away, and about a week before anticipated move in date for our friends for our listing to end. Realtor understands and schedules the end date of our property.

Anyway, predictably in this situation, we got an amazing offer on our place. Actually two competing offers on the same day. (New year, apparently the market heated up quicker than I expected). We deliberate for a few hours, but all things considered we decide we really have to accept. We are not wealthy, but we agree that we'll sell and try to scrounge together the money to at least finalize funding on our friend's go fund me as we really do still want to help. 

We accept the offer, contact our friend and she is super great about it. We didn't mention giving her money, as that part wasn't fully fleshed out about how much we could truly afford. I'm feeling pretty good about it, a little guilty, but we were upfront about the whole thing, so I don't feel too bad.

I get home from work, and my wife let's me know she got an angry message from her friend's husband, who neither of us know very well talking about how awful we are and how we're going to make them homeless. She didn't respond and deleted the message. 

I'm furious at the guy for blaming their problems on us, but it got me thinking. Maybe the false hope we gave them was worse? At the very least I could have handled the whole thing better I'm sure, but AITA here for starting to make these plans to rent it to them, then selling? We hadn't even gotten the contract finalized, let alone signed yet. In my mind it was far from a done deal, but maybe they saw it differently.

Tl;Dr - Agreed to rent our vacant townhome to a friend needing a place for a few months, the townhome sold before the deal was worked out fully. Friend's husband is blaming is for them having no place to go now.