You are about to embark on a journey that will be accompanied with potholes, bottlenecks , flat tires but dread not so long as you are resilient it indeed will be rewarding.

I have an apartment building with a 1/4 acre flat lot that has had nothing on it since the beginning of time and the city will not let my put anything on the lot because they said the building to parking area ratio prohibits even making the area a parking lot.

What are these Plastic panels called that go over the lights ?

I love in the Southwest suburbs of Chicago and currently own ons 3-Flat in Chicago and two larger multi-family properties with my Mother in Milwaukee and Bloomington, IL.

So lets start with a Cosmetic rehab-(lets say it includes) Updating everything in the bathrooms, updating everything in the kitchen, new paint, new floors throughout, new trim where needed, new int and ext doors, new light fixtures, drywall repair where needed, new outlets, landscaping clean up, putting in a few new windows, power washing the house, servicing all mechanicals, inspecting all electric and plumbing.Lets go by sqftSingle family:single story houses up to 1500 sqft- about 6-8 weeksSingle story houses 1500sqft-2500sqft- about 8-10 weeks single story houses 2500sqft- 3500 sqft- about 10-12 weeksTwo story house up to 1500sqft- about 7-9 weeks two story house 1500sqft- 2500sqft about 9-11 weekstwo Story house 2500sqft-3500sft about 11-13 weeksMulti Units:2 unit 2000sqft-3000sqft 10 weeks-14 weeks2 unit 3000sqft-4000sqft 14weeks-17weeks3 unit 3000sqft-4500sqft 15weeks-18 weeks4 unit 3000sqft-4500sqft 17weeks- 20weeksNow lets say it was a full gut rehab (all items from cosmetic) plus running all new electric from panel to the outlets, all new hvac forced air or boiler both heat and ac, and new plumbing through out.

@Pablo FloresI am more of a fan of cameras that get direct power from a source but since you already have them can you get the solar panel that keeps them charged all the time.

Prices won’t tank here, but they may soften more, and be flat for awhile.

A couple options could be a flat per unit fee like you mentioned, or perhaps a revenue share model where you get a small percentage based on the number of units that sign up. 

I myself am a newbie but I've been eyeing the market around the DC area for a while now.Personally, I've seen the market in this area remain somewhat flat over the past few months.

I once sat in a meeting with the Assistant Director of HUD and property managers brought up multiple scenarios and he was caught flat-footed.