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Previous owner of my home wants to buy it back but the property's value is less than my loan… what to do?
I would not trust Zillow for an appraisal. The numbers I see on there vary a lot from real prices. I'm not sure I'd get a full appraisal either, as that means you "know" the value of the house and may be obliged to reveal it. I'd ask for the loan amount and see what the previous owner says.