Selling subject to properites

[Chris Shipman]

Recently I have been looking into subject to properties. I haven't found anything about what happens if you were to sell the home prior to the loan being paid off. 

Say I were to get into a subject to agreement with a seller and instead of seller financing/renting it out I chose just to sell it (hopefully there is some equity within the home) since the mortgage wouldn't be under my name once the potential buyer goes to pay the bank is something going to look fishy if I try and collect the positive difference?

Also are you able to refi a subject to home? Or would that have to be something the mortgage holder would have to do?