Here is a CSS Decision Diagram flowchart intended to bring together all the various questions when assessing the benefits of a Cost Segregation Study (via a professional or DIY).FYI - You can do a CSS for ~$400, ask @Malik Javed how.

That's when I just decided to bill for biweekly cleaning and install hallway cameras to verify the rooms aren't accessed by anyone unauthorized.

Another avenue would be to call your utility companies and ask about installing additional meters.

We've taken over DIY managed properties and about 20% of the time it doesn't work out.

We had to remove the windows we had already installed in a 1925 house and reframe the openings to bring them to 2023 building code.  

They will be installing grab bars everywhere.

I currently live in Southern Maine and am looking to construct some kind of new project rather getting into rehabbing existing residentialProposed Land Budget 100-200kConstruction Budget: 400kAll in 500-600k.I have found that if I do the site work myself including clearing, septic and digging the foundation is that i can sub contract out either steel or a Lester style building (50x150) for around 300k installed with insulation and power , divided into three 2500 square foot units. 

You might find that installing a mini-split system, properly insulating, and ensuring the finishes match the main home’s quality will make a difference in how the appraiser views it.

You could install a locked drop box at the building for the tenants to put their checks in.

I worked with developers and contractors for many years and the best way I saw this type of situation proceed was for the individual to partner with a mass homebuilder - depends on how big the property is - and also partner with a GC to install the infrastructure to the specs of the homebuilder.