These things have life spans, so it's a simple accounting action.

Cash for keys is simple - get out by X date and I’ll give you Y dollars when you give me the keys and leave the property undamaged otherwise we go to eviction

Quote from @Heather Kiddoo: I'm happy to jump on a zoom and talk about what TC's do in the creative real estate transaction if either of you are interested @Mike Hern @Chris SeveneyJust a simple question or two.

In simple terms, everyone is paid for their time/effort up front.

In my location it’s a fairly simple process.

Its simple the other party wants the zestimate .

Keep it simple, call your local building inspection office and ask what are the rules for homeowners /investors working on their own houses.

Quote from @Daniel Okeefe: It could be a simple typo in the social security number or something else on the app.

I want a simple place to track my P&L's and tax implications like accumulated depreciation and tax deferred tax losses. 

I know Cash on Cash return is not the only important metric you should be looking at but for the sake of a simple answer what are you getting?