If it is a lease covenant, send them a violation letter by US Mail with proof of delivery required and/or post the notice on the door in a sealed envelope with their name on it, taking a photo to prove delivery. 

Often times they come back with a list of repairs that they would like to see to protect the home or mitigate liability. 90% of the time those items were on our list to fix anyway, and sometimes we even haven't done before we get the letter from the insurance company.

Run the numbers using commercial 25% down and Fixed P/I of x.x% with 5 year balloon and 25-year amort. 

I would write a letter to the editor talking about the corruption or laziness of the cop, his boss and the Chief of Police. 

Should I be pushing my PM to send a new letter with a 3 day notice. 

These should be reflected in the purchase price or negotiated as part of the terms, such as the seller carrying some of the renovation burden.Use seller financing to your advantage by proposing a price closer to $225,000-$250,000 with terms such as 20% down, a low interest rate (4-5%), or interest-only payments for 3-5 years, with a balloon payment once renovations are complete and cash flow stabilizes.If the seller is firm on price, consider negotiating higher down payment terms to reduce the financed amount, paired with interest-only terms or a price reduction tied to renovation milestones.Key questions to address include the condition of the septic system, which can be a significant expense if it fails.

I have contacted family members in the past with literal hand written letters.

You can make the mortgage Have a balloon payment in 2 1/2 years so that you don't miss out on the IRS tax exemption rule of living in your primary home two of the last five years.

I have provided them a letter from my broker about the amount that can be used.

This will have a 3/5/7 year balloon and terms get revised.