I'd put you on MTM, charge the maximum deposit allowable (1st+last+security), and raise the rent $100/m for my own peace of mind. 

The lot is located in a thriving residential area and I would would love to build something in keeping with the existing homes to preserve or enhance the community without changing its vibe.

Peace

I eventually found a local guy who came in 15 minutes, handled it quickly, and for an unbelievable price.Now if I ever have plumbing problems again, I have a great peace of mind that I know who to call right away.

If you fix the inspection issues upfront, it will limit the amount of issues your buyer's inspector finds, which should provide peace of mind.It's never good when you are selling a property and the buyer's inspector provides a 25-page list of items that need to be fixed. 

If the numbers still work then lay your head down at night and sleep peacefully. 

Sounds like you kept your cool and got them out peacefully and without any drama. 

It’s never a bad idea to get a radon inspection, if for nothing else do you have the peace of mind of knowing what radon levels your house is that.

His book, Let Justice Roll is always on my desk.I think we have to think of all our work in service of creating a more just, peaceful and beautiful world.

All in, the renovation cost 12k and gave me some additional peace of mind because I knew there was some things that needed to be addressed following the poor work done by the turnkey company.