It sounds to me like the OP wants to assign their contract, not sublet it.

I'm not sure that helps understand what the financial picture of a multi-family property will look like.I was trying to help the OP understand why the costs in the study could be 40% when you commonly hear and see expenses listed at 50-60% of gross potential rents.

I didn’t read all of the op, what broker is he working for?

@Derek E. sorry you feel that i am greedy, you do not even know me, quite truthfully that is a tough position to be in. chances are i probably would give the money back but i was giving the OP a different view and a way to go about it if he needed to hold onto the money. what if this place was sitting vacant for a while and money was being lost, but finally someone rented it that would help you pull from your losses, you may be in need of that money, you do not know everyone's financial position. i think the OP would still be doing a generous thing by letting them out of a 2 year lease and not claiming they had a financial obligation, which they may not pay, then you have to go through the eviction process that would cost you money. we can all sit behind the computer and tell everyone how bad they are, as this world seems to do nowadays, but we should not judge other people because of some misinterpreted advice and some holier than though attitude. if you look, this is the OP first post and maybe new to investing, all he is looking for is different views, i am certainly not going to tell the poster what he should do, because we all have different views on how things should be done.

Florida (OP state?) 

This is FL statute only and probably does not apply in the OP's case. 

Okay guys, apparently you thought I was dismissing/minimizing the OP.

Wondering if raising the Co-op commission on those types of properties,  would effect sale potential more than raising Co-op commission on well kept properties? 

OP Account is closed :)

Also, from the way I understood the response from the OP it's not credit card debt.