Interesting quote from Lease purchase contract From Wikipedia

[Ken Rishel]

In the United States, when credits are applied to a purchase price the agreement becomes a financing contract and these contracts have been identified as predatory lending arrangements under the Dodd-Frank Act. Under this federal law any financing arrangement requires the purchaser of an owner occupied dwelling (one to four living units) is to qualify for any financing contract with a registered Mortgage Loan Originator. There are exemptions under this federal law for homeowners financing their primary residence, those in the business of real estate such as landlords are considered dealers. In all states, rent to own arrangements are no longer compliant with federal financing requirements.