They'll essentially put a holey tube under the building, piped to the roof so the gas can pass through and escape without seeping into the building. 

I just clogged my pipes at home by overusing the GD with pulp from my veggie juicer.

If all the comps have Formica counter tops no sense in putting in granite. 

Make sure your painters are respecting the finishes and not putting dripping paint cans on your brand new finished counters.  

Re-piping is COMPLETE, took them 2 days total. 

Okay, just to counter the perspective; if you are buying as an investment did you plan to take on a job? 

We replaced the sink, faucet, added open shelving, lights and of course counters.

I agree that my portfolio was not created in 3-5 years either, but having as many properties as it sounds in underperforming markets when focusing on cash flow is somewhat counter to your stated goals.

.- Wall color: light gray, satin gloss- Trim color: natural white, semi gloss- Trim type: 6" baseboard- Counter: Quartz, eased edge (https://www.lowes.com/l/quartz-countertops.html), $44sqft "A" class, gray--forget the name, or the beige (Tina really needs to go the Lowes and look at all pieces together.- Backsplash: Picked out already.

There is also copper pipe on the gas supplies to the heater and a/c units which is not permissible. due to no accessible attic space, there is also no way to run electrical service to the closet to convert to an electric water heater.