A lease-purchase agreement may not contain:
(1) A confession of judgment;
(2) a negotiable instrument;
(3) a security interest or any other claim of a property interest in any goods except those goods delivered by the lessor pursuant to the lease-purchase agreement;
(4) a wage assignment;
(5) a waiver by the consumer of claims or defenses; or
(6) a provision authorizing the lessor or a person acting on the lessor's behalf to enter upon the consumer's premises or to commit any breach of the peace in the repossession of goods.