But the best part is that all of the accounting is automated. 

but I got two homes now. so don't know about adding a third  one..

So as long as you have the right insurance and knowledge of qualifying a borrower you can absolutely provide a service to both parties. 

I would have the buyer make all payments to a third party servicing company. 

I believe they meet first and third Wednesday of each month.

The hard part is do you sell it to them at market value?

I would offer to sign a new lease with both of them being jointly responsible for whatever length all parties feel is a good fit. 

They took away the license of an agent who was part of a wholesale deal where the parties netted $100k after closing on a property from a senior citizen.I wouldn't be surprised if some managing brokers are not prohibiting wholesaling by their agents.If you still want to hang your license, I would recommend signing up with one of the large firms that has some education. 

I use them, but they offer essential no customer support as a third party intermediary and they target bank often can’t help you with Zelle related deposit issues as they have no visibility into money deposited into Zelle

Both options should be in writing and have a contract so neither party gets harmed in the agreement.