You can have unenforceable lease provisions in your lease that, even if the tenant isn't damaged by them, constitutes relief by a declaratory judgment and they can get their costs and attorney's fees for raising the issue. 

I have a clause in my leases that say partial payment does not constitute a reason to stop a summary ejectment.  

Enforcement of this brings up huge constitutional issues.  

The issuance of a notice to cease and desist shall not constitute agency action for which a hearing under ss. 120.569 and 120.57 may be sought.

(Fines, loss of license, maybe even jail time as this would constitute mortgage fraud as well as other types of fraud) Is it possible that would happen, yes...however a savy agent usually asks for proof of the other offer.  

—Except as provided in subsection (2) and in s. 95.051 and elsewhere in these statutes, the time within which an action shall be begun under any statute of limitations runs from the time the cause of action accrues.(1) A cause of action accrues when the last element constituting the cause of action occurs.

Being a beneficiary may or may not constitute ownership.

The reality is that changing a lightbulb, or the smoke alarm batteries, spraying a little WD-40 on a squeaky hinge or things of that nature to not necessarily constitute adding value.  

I said, the funds aren't in my account and there is no promise that the transaction will go thru so therefore I constitute the rent being late.

Buyers generally want off market deals because the vast majority of agents focus solely on retail buyers and are not "investor friendly", meaning they often don't know what constitutes a "deal" and often over complicate something simple like a cash transaction.