Estimating Repairs and is this a deal?

[Adam Moyer]

2/1, 1000 sq ft. Complete gut, damp basement, place is a hell hole. Seller owes 28k on their loan. Recent sales in the area of similar properties are $62k abd $90k. Seller is looking to get out as soon as possible.

I have not done a wholesale deal before, so what is the best way to estimate the amount of repairs to determine if this is a deal that could work?

Thanks!