In the past I just give them a 10% deduction in rent for one year until things can improve. 

For $4500 a month I can do a lot of marketing and for sure find two off market deals.The two I spoke to was super cool agreeing with me that the numbers were difficult.Ive used the Zillow leads in the past (I think it was $350 a month for a 6 month contract in 2020) and did not convert a single lead.

I have done Private Money Loans on auctions in the past. I

All good suggestions--if you find this becomes a bigger issue, one thing we have done in the past is offer back the security deposit in full to get people out. 

Two different handyman have already went out there and supposedly fixed what they considered to be the cause of the leak in the past. I

Is it appropriate to request to be released from the contract so I can look for someone else or just go it alone like I have in the past? I

There is one central steam boiler for the whole building, and I was on the hook for the whole gas bill in the past. I

With respect to your 2 questions, 1) when you sell the property, all the depreciation taken (regardless of whether it was used to offset income in the past) is subject to recapture.2) You can reduce your taxable capital gain by subtracting the selling expenses from the sale price.

I've worked with the CFE/attorney/investigative journalist reports in the past. I

How I have structured these in the past is if he is coming with all of the capital and you are handling everything else than a 50/50 split is fair.