So I called our property manager, who are on retainer for issues such as this.

In my head, it would make sense to try to soundproof any shared walls and maybe even fence half of the yard so each guest has their own space to enjoy. 

. $250-350 were my quote ranges also with $2500-5000 retainer range. 

Before you do anything, especially cutting off utilities, call and retain the services of an eviction attorney immediately to know your rights and responsibilities.

Another contractor went out to look at it and suggested taking down a wall to expand the kitchen into the dining room, not add the extra bedroom, and thinks it will be closer to 60K.

We discovered we also had a flying squirrel infestation with them living between our walls.

Are those cabinets wall mounted?

I go with semi-gloss paint on all the walls and trim to make them easier to clean in the future.Bathrooms and kitchens - ceramic tile not sheet vinyl which can rip.Now that YOU have a chance to place the tenant, make sure you have a quality unit and don't settle for less than a quality tenant.

Unless you are opening walls up, you can avoid re-wiring all receptacles to three conductor; many newer devices come with power packs that only use two prongs anyway. 

For instance, I want to redo the blacktop driveway, add some landscape (shrubs and things that won't need a lot of care when I move), replace windows, paint floors/walls and finish some missing drywall in the basement.