Last week she broke 2 windows and called the code inspection. 

My first time posting a picture, but this is how I posted this one:place the pictures on your computer or phone. as you begin to reply, there is an image link. click this and you get a window to select or move a picture to.

My day job is building material sales (lumber, doors, windows, drywall, block, shingles, etc).

Did not get to see the inside, but outside was grass overgrown, there was a wooden construction as part of the backyard fence (can be seen since it is an end of the street home), and looking inside the window looked empty inside.

Did not get to see the inside, but outside was grass overgrown, there was a wooden construction as part of the backyard fence (can be seen since it is an end of the street home), and looking inside the window looked empty inside.

Please do not forget what Account Closed is saying!

I undertook a pretty thorough cosmetic rehab of the property, which included new floors on the main level; fresh paint on all walls, trim, windows, and doors; new countertop and sink in kitchen; new stainless steel appliances; new tub and surround and painted/updated bathroom; and epoxy paint to floor of basement.

What I call "pizza box syndrome," where they'll eat most of a delivery pizza and forget the rest to rot in the box in a bedroom corner.

They are currently rented with window units/space heaters. 

@Mike Balcom,Forget that he is a handyman-- structure your 'partnership' as you would any other.