The former owner still lives there.

Recent amendments require a local agency to impose an owner occupancy requirement as a condition of a homeowner receiving a ministerial lot split.

Essentially, his partner (you, in that scenario) are providing the bank roll and you get interest and owner ship. 

The town the mobile home community is in has a LARGE percent of tenants vs. home owners (60/40), so I'm wondering if I'm trying to force the issue by selling on contract when the tenants really just want the freedom to rent?

The house owner can't...they have zero legal standing....unless, like I've said, they own the copyright by either being the designer/architect or have bought the copyright. 

@Zachary Bellinghausen someone close to central FL who is an expert on Solo401k and real estate is Adam Bergman, IRA Financial Group, tax attorney and owner of company.

Landlords, owner carry?

Trenton and Camden pull good rental income, but as an owner you need to have a high tolerance for bs. 

We have a house we want to turn into an executive rental but eventually return to the property as owner occupied in Texas.1.

In addition, if a property owner decides to replace a carport or driveway with an ADU, they would not be required to replace that parking."