Even a foundation dedicated to finding a cure for cancer. 

Yes, that's a material breach, it's also fraudulently dealing as the seller ties you into pending legal actions, contingent liabilities, cost to cure the misrepresentation of units leased.

You, as a Mortgagee, do not have a right to simply run out and grab and insurance policy and place it on the property without giving proper notice to the Borrower and giving the Borrower the proper amount of time to cure the defect which in most cases is about 30 days.  

This will show them you are serious as well as use up their one chance to cure in a 12 month period for the state of MA.

When lease violations first begin, it's best to communicate effectively with the tenant and try to guide them back on track and if necessary serve a notice to "cure or quit" (or the equivalent for your jurisdiction). 

The notice usually outlines the amount of arrears & fees to cure along with the principle balance.  

Anyway, replacing just that one run of pipe cured it completely.

I suggest before you start to study your state laws concerning curing liens or mortgages through any sale of the colateralized property or encumberance.

I just need ideas on how to organize the process from violation, notice, time to cure etc.

That's fantastic Deb .... sometimes taking action cures all nervousness/ anxiety ... and best of all, it now gives you confidence and a foundation to build upon!