However, at a higher level based on my PA knowledge which I assume is similar to TX:PA's municipal planning code grants building code and other enforcement authority which would cover all of the items you mention in PA. 

This way my money is protected by the equity in the deal regardless of your performance on finding a renter or missing a big ticket item on the repair estimate.

Realtors are being spoken of like they are a generic item available off of the shelf.

Depending on the description of the unit, you may or may not own things like:- Sheet rock of the walls- Kitchen Cabinets- Bathroom fixtures- Piping or wiring that just serves you unit- other things like a heating/cooling unit, interior doors, ....There may also be some items that the Association is obligated to replace if they are still original but not if they have been replaced.  

Most warranties will give you a cash settlement for items that you had to dispatch outside of the warranty. 

Such items can include Photocopies and TT Fees.

I am afraid replacing the tub will cost me more than I am ready to spend on this one item.  

I know he is building wood items on the side to try to make extra money. 

After viewing the property I noticed that there were quite a few items that would be identified in an inspection but are blatantly not repaired in addition to significant cracks in the brick suggesting foundation movement.  

I just used two items, respect for the family and a pen.Remember, buying low the best investment decision you can make in this game.