Those can run costs up pretty quick.Anyhow, a loan with an original balance of $47,700 that has only paid down $6,000 in over 13 years that is trying to trade for $750 is likely not a loan you want to own.  

@Rob Buffington Being that it's less than 5 units, an appraiser is going to use the comparative method rather than the income approach so you need to get some good market comps.

Trade and Professional Oganizations4.

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Retail trades at highest per sq ft followed by office.Warehouse and Industrial trade at the lowest per sq ft leases generally.

I viewed a house today with some serious sub-flooring issues.The house is built up off the ground and the plinths underneath are clearly collapsing.The tile floor inside is still in good condition but the floors slope up and down.Can anyone give an idea about methods and cost for fixing this?

I've seen so many newbie investors end up buying land that is unbuildable only to have sell it later at a steep discount once they realize they can't even afford to keep up with the taxes needed to keep the land.For future readers, one common way to evaluate and price land is through the Land Residual Method, which is pretty much a simply formula:Land Value = Developed Value (highest and best use after development) - Cost of DevelopmentIt requires a little work on the agent's part to dig into what the costs and potential developed value will be, but I wouldn't consider it rocket science.

Run the numbers for yourself but you seem to be trading tens/hundreds  of thousands of appreciation  dollars(capital gains) for a few hundred a month of possible cash flow.  

You trade price for terms, meaning that if the terms are right then the Buyer doesn't have to pay rock bottom prices.Without changing the direction of the boat if you like the basic structure of the offer I would counter with sales price and define the interest rate.

This is a much simpler method.