Adding full kitchens, debugging the apartment, upgrading tenants as they moved out.

., in the kitchen and baths; new flooring; a new driveway.  

We have an 11-unit apartment building (five 1br/1ba, six 2br/1ba) and want to do a cosmetic rehab (new kitchen, bathroom, paint, sanding, and staining hardwood floors, excluding repairs on MEPs).

I could save a whole lot of cash mowing my own grass, ironing my shirts, painting the kitchen, organizing my garage, and changing my own oil.

I'm guessing there are subtleties that I'm hoping someone more experienced can share with me.For example, I got a part-time RE agent (which I've since learned might not be the best idea) from Zillow for a listing I'm about to make an offer on.

I was ordered to remove the unit, which I used as a home office, and the expeditor who handled the project had the order reversed, and the apartment was converted to an office by removing a bathtub, and a stove and refrigerator in the kitchen.

A lot of great options out there for self-managing if you decide to go that route; aside from providing the basics (listing, tenant screening, digital lease creation, rent collection, and maintenance tracking) some services also offer your tenants additional capabilities which makes it an easier sell on your end when getting them to transition over (ie. their ability to report on-time rent payments to the credit bureaus).

We added $40K-$50K refinishing the hardwood floors, removing wallpaper, painting walls and updating the kitchen & bathroom with new cabinets, adding granite countertops and creating a BEAUTIFUL dining room off the kitchen that was wasted space as an enclosed porch, and also added french doors leading out to a newly-built pre-finished deck we added so the new owners could enjoy their gorgeous fenced in backyard.

There is also a full kitchen and laundry in the basement.

Your are ALSO doing comp's to peg exactly what value the market places for different conditions of that home, what value it places on say an updated kitchen vs outdated, or facelift vs full reno, high end vs mid level.