I don't have much advice, but I'm really sorry this happened to you
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Is there anyway you could find a rental that would allow all your pets? I know sometimes if you put down a large pet deposit, the landlord will allow it.
I wish you the best of luck if you decide to attempt to purchase a home. I know with the way the housing market is, it is very hard to get financing. But if you do happen to get financing it is more of a buyers market for sure, at least where I live. Just remember to think about how much taxes will cost you per year. I thought my house was only going to be 700/mo but I forgot about good old taxes, LOL -- it's around 920 a month
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If you really want to make it work, which I know you do since rehoming isn't an option for you, I'm sure you will find a way somehow
Stay strong!!