most if not all real estate sales is regulated to protect buyer and seller.. wholesalers are not regulated and there is a lot of bad things that happen to sellers working withwholesalers and buyers that trust wholesalers only to get a raw deal. 

Establish a Charitable Remainder Trust (CRT): By placing the property into a CRT, you can receive a charitable deduction, defer capital gains taxes, and receive income from the trust.

This can help with limiting the time your unit sits vacant.These situations can get tricky, but I always recommend staying level headed during your interactions with the tenant.The worst case scenario is the tenant ends up unhappy that you don't want them to break the lease early and/or they don't want to pay for an early lease break (hopefully defined in your lease agreement with them) and ends up damaging your property, costing more, prior to their actual move out date.

One thing Airbnb and VRBO can not do is help schedule cleaning and maintenance tasks, owner accounting reports, and direct booking options that hosts need to go to next level.

Do your research and get referrals from people you trust to find the right fit for you.

When there is only so much land in an area the county or city tends to relax zoning to allow higher density levels over time.

You also have to take into considerations things like appreciation levels and the current condition.

If the subject floor is not perfectly flat, pour a self-leveler over the existing flooring (read the instructions on the bag FIRST). 

As long as you treat things with a level of fairness it will work out. 

I also use social media for hyper-local content, showcasing community highlights and market trends to build trust