(you know all the things we using in running effective and efficient private companies) it would be a different story. 

Tons of double sided tape used which results in a fair amount of extra effort to restore (most cases paint comes right off the wall requiring patching sanding etc, some cases Good-off was effective.

Thanks for the suggestion!

I’m not sure how investors are managing their properties from a different state when it seems to be impossible to find a reliable good property management company in Cahokia, do you have any advice or suggestions on this?  

Quote from @Nicole Heasley Beitenman: When I was starting, I found a resource in FF that suggested pricing $300-500 above LTR rates.

At the heart of effective property management lies the ability to balance the competing interests of three critical stakeholders: owners, tenants, and vendors.

If you are looking to be an investor then I would suggest you don't be an agent that is a poor mans game and it will make it way more difficult to find deals. 

Each parcel can host up to two units, effectively enabling up to four units on what was previously a single-family lot.

I don't know how much more cost effective a one off modular  house will be.

Any suggestions on that?