It is right on the fringe of being legal/illegal, and lawmakers have been talking about how to regulate it for years because it can be a dangerous process that leaves end Buyers feeling like they weren't represented.....especially when they see the closing statement and find out how much the wholesaler made just by getting to the Seller first. 

This doesn't replace the need for a MSA that will capture additional clauses needed on a Contractor-SubContractor relationship, this is just a project specific form you would use in addition to the MSA (prepared by your Attorney):This template is for informational purposes only and does not constitute legal advice.

If they know you, have spoken to you many times, and you have always been friendly with them, just explain your points, that there is no legal reason to deny your plans, and ask them what you can do to help get it approved.

If you are a legal property manager in your state the owner should have the unfettered ability to allow you to act as his/her agent to enforce the lease, whatever provisions they may contain plus whatever your state laws allow.

Perfectly legal, no hassles.

I am not a realtor, so I cannot give advice as though I am one, but there are some guidelines that I have used personally over the years, with great success.

This provision, through the Affordable Homes Act, make ADUs legal BY RIGHT in any single family zoned property in the state.

Additionally, involve a real estate attorney to ensure the transaction aligns with legal requirements and protects both parties’ interests.

There are other ways to legally raise capital, however, they have some inherent disadvantages making them considerably less desirable for what you’re trying to do.   

Make sure to get legal advice on what you can and can’t do for bill back and what kind of notice period is required in your state.