They were not only renters, the had a plumbing business and I relied on them quite heavily. 

) $2,000 10 $200 $16.67 Landscaping $1,000 5 $200 $16.67 HVAC $3,500 20 $175 $14.58 Flooring $5,000 30 $167 $13.89 Roof $5,000 35 $143 $11.90 Structure (foundation, framing) $5,000 50 $100 $8.33 Plumbing $3,000 30 $100 $8.33 Windows $5,000 50 $100 $8.33 Water Heater $1,000 15 $67 $5.56 Driveway/Parking Lot $2,500 50 $50 $4.17 With a new build, you're obviously starting at the beginning of the useful life on everything so I would remove cabinets, HVAC, flooring, roof, structure, plumbing, windows, water heater and driveway.

Friend of mine has a buddy who has a plumbing business in Charlotte.  

You'd need all the plumbing along with egress windows.

As a landlord, you must remember that you have a lot of obligations you must uphold if you want to stay in business.You must take care of plumbing and other repair issues if your renters run into problems along the way.

Depending on the work done, this could result in things like plumbing leaks, paint jobs so bad that there is no returning the unit back to original quality, etc. 

The only thing we have on our side (kind of) is that the house we are buying had about 7-10 minor (water heater, potential mold in attic, faulty plumbing in sink, moss on rough, etc.. issues that the inspector called out. 

It was about as straight forward as can be with all new plumbing, framing and electrical all ready finished.

. - Fixed damaged plaster areas roughly 600 sqft total, I had to remove old damaged plaster, install new sheetrock and merge it with the plaster mud tape and texture these areas, mostly ceiling and in closets upstairs where the roof had leaked causing damage to the plaster- Updated the kitchen- Updated the bathroom - New carpet- Cleaned and painted walls- Fixed electrical issues- Fixed plumbing What was the outcome?

If your moving the plumbing the plumber comes first, then electrician and if you need to reframe anything that comes before plumber and electrician.