Joe's lease has provisions against this, so I properly serve him a "10 day notice to cure" using a process server ($$).

Based on what I read it appears the cure will be to obtain a deed from the borrower in the prior transaction. 

We now have an admin that is going to throw money at the symptom, but not cure the issue.

Do I have the right to demand a cure even though I waived my appraisal contingency?  

I would be studying the builders contract because most of them ask for mediation and the ability to cure.

@Sisee AdamsIf her pet is biting people, you can give her a cure or quit notice to remove the animal and evict her if she refuses.If she does not have renters insurance in violation of the lease you can give her a cure or quit notice now and evict her if she fails to get insurance.Some jurisdictions have made it illegal to tie up (tether) pets outside.

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I figured I could secure her right to cure after, pay-off the lien, file a lien of my own, go into escrow to wholesale the property, and obviously have her repay the lien upon closing. 

A lot of the standard forms require a documented reason and can't be cosmetic or something plainly obvious before you signed the contract, plus the opportunity for the seller to cure if its something you found in the inspection.

The borrower must be given time to cure.