It would depend on the neighborhood and the renter types in the units above, as well as the risk of longer time on market compared to a Greige LVP cookie cutter apartment.A DIY would have a lot less money in it to risk.In a B area, maybe something like this (maybe--maybe not though--risk).Just some food for thought.Like a sports bar, with a black drop ceiling, water resistant LVP, and hide the sewer pipes in a closet. 

Imagine offering someone a cookie at lunch time and they don't respond.

If their mess is trash, consider more dumpster space.If their mess is junk mail put two covered commercial trash bins near the mail pickup station.Post a red paper folded in half on their door with tan masking tape at eye level.In it say you will stop by in a day or two to introduce yourself, include a baked cookie recipe, and a silly joke.The next day start door knocking (Saturday might be best).Spend 10 mins with each one just at the doorway, talking about the problems and ask for their help solving them.Ask them if they have any problems too, ie. maintenance way behind schedule, spooky characters in the lot at night, etc..You could also tell them if the problem is fixed in 90 days or so, you will hold a drawing for a $25 gift card to the closest grocery store--but they have to be current on their rent.If it's fixed--pay for the gift card, and do the drawing and let everyone know who the winner is.If it's not fixed, red letter tan tape at eye level, saying its not fixed, so no drawing, but ask the to please keep working on it.You might want to clear the $25 gift card with the owner though, some are pennywise, pound you know what.Note: If you are in a general area with Red/Blue gang territory don't use red paper, just use white printer paper.

@Greg CookI see two questions: when and why.

I'm not like a lot of the other volume house flippers around here who are doing a dozen deals at once and slapping a bunch of cookie cutter builder-grade Home Depot finishes in their projects.

As a result, they will not go the extra mile to work on a somewhat complex scenario, since yours does not fit into the typical cookie cutter box.

Tenants are smart cookies and know inflation like this is for a few years most likely and not the full primary lease term so will not want to sign that whole time to pay high rates.

@Daniel Luedtke, Next time use the right QI and I'll deliver cookies :)

I'm looking at a building for redevelopment into affordable/workforce housing. at the 30,000 ft view, the building seems to be an appropriate pick with elevator, exit stairwells, ample parking, location, and straightforward rough layout to put 24 cookie cutter apartments in it.

We intend to build the same floor plan on each lot; the challenge will be to vary the front elevation of the homes so that they don't look cookie cutter.