Then you could ask them directly if being tenanted affects their willingness to buy, and whether they expect a discount (or are prepared to pay a premium) to inherit tenants.You would then be in a better position to adjust your own Offer price accordingly.

Great question, I myself am starting over in new market and trying to get up to speed quickly.  

Are you suggesting that you should never adjust your numbers, even to compete in a competitive market?

That way if you do find something major like a bad foundation you have a chance of getting them to make an adjustment.

David Faulkner Greg Rutkowski Hi guys I would love to meet up and connect with both of you unfortunately I work Tuesday nights my days off are Wednesday's and Thursday's preferably @ 730pm (I coach boys soccer from 6-7pm) please let me know if any adjustments can be made, if not I understand.

Then every few months, I go through an adjust the prices on the properties if I think they have changed.

Fixed Rate, Adjustable, Balloon

If, however, this person turns out to have little more than speeding tickets in his past, it's probable he got ripped off too.

Adjustments to sales comparables are done on a "cost to cure" value (i.e. construction cost to repair or make like the other property).

When you get into adjusting for square feet thing get a little more complicated when you look at values for the marginal (read: additional) sq ft.