There are numerous areas where you can get some cash flow but are solid neighborhoods that should see stable appreciation. 

I’ve experienced this numerous times and it’s as if they are trying to head off a bad host review by finding other problems in your rentals and using them as a smokescreen before you have a chance to find damages they’ve caused.

Keep shopping - I would suggest calling a local roofing supplier and get some referrals from them.

I've been through this numerous times (unfortunately), but the tenants brought them in.

I’m a bit confused by your question.Seems like you’re looking for a dashboard software (Tableau -ish) that will gather data and show you specific insight for numerous properties or multiple different investors.My question would be here - where is the data currently present?

This site is an incredible platform that has numerous resources so definitely take advantage of it all.

I have had numerous headaches (lawn and trash not kept up to my standards) and unfortunately a subletting breach to the lease agreement.

Personally, I would invest in in numerous apartment, self storage, and MHP syndication deals.

There are numerous more passive investment options including more passive RE investment options.  

They stated they have investment clients who have paid double-triple for way less that were not bad deals.As I have said in numerous threads, I never catch a break in Detroit regarding banks.