If rent is due on the first, it's late on the second and the landlord should begin the process of eviction THEN, typically by providing what is known as a Pay Or Quit notice giving the tenant a certain amount of time to remedy the situation. 

In addition to the foregoing remedies, the department may impose an administrative penalty not to exceed $5,000 per incident pursuant to the provisions of chapter 120 or may issue a citation pursuant to the provisions of subsection (3).

Eviction is the remedy, logically and legally.

Has mold, so you can't even rent it until remediation is complete.The question is, do you want to pay her $50k to buy her house from her?

Based on the test, tgen yiu will hire an asbestos remediation company (get the list from the testing company AND the contractors board.)

I got a number from a mold guy that I met at a REIA meeting and he said that I should be safe with using $10k-$12k for mold remediation.

I would cut the tree down and that would be the end of it, but if the leak continues, we would possibly have to deal with the flooring which looks like Asbestos tiles, according to the inspector, which I know myself would be expensive to remediate. 

Second, the mold problem must be remediated prior to any tenants occupying the property.  

I've had a contractor go back before and remedy a situation.

The property had a fire in the roof and has a little mold , but the scope of work includes remediation of both.