No additional locks shall be placed on doors or windows.

that we’ve learned in our 24 years, managing almost 700 doors across the Metro Detroit area, including almost 100 S8 leases.

Especially as maintenance bombs increase in there detonations, the opportunities to acquire from failed operators is at the door step.  

Mail, knock in door, phone call? 

It's a type of house hacking that's very effective to get your foot into the real estate investing door. 

I've been investing there personally since 2019 and own 12-doors in Detroit proper.I lived on the ground there from 2017-2022 but now live back in California.To answer your questions... yes, you can still find cash flowing deals in Detroit.

Quote from @Jim Reynante: After owning properties C/D neighborhoods with high crime statistics, I have experienced all of the things that go along with it: 1) High turnover rate; 2) Tenants that don't care for the property; 3) Little/No appreciation in home value; and 4) High Crime Rate (burglary, vandalism).I am pretty tired of fixing broken windows, fixing broken doors/locks, and painting over graffiti.

@Collin Schwartz so assuming an average $40k per door, that 1st 25 doors was ~$800k, you must have raised somewhere in the area of $200k cash of your own? 

How about going upstairs, knocking on their door and having a neighborly conversation to start?

You'll need to look at adding hurricane impact windows and doors throughout the home, and bracing all the framing members of the house with hurricane straps.