You should build a stress test questionnaire that asks dozens of questions and requires the input from all team players.

But the business credit would probably use your personal credit to start, so there may be a bunch of inquiries that could raise some red flags. 

In my area the meters have little red triangle objects inside the glass covered meter gauge. 

If they're good, they'll usually give you a rough idea of extensiveness of the repairs, or note any bright red flags.

You need to provide everything else for them to enjoy their stay.Here's a short list of some of the things in my STRs:KegoratorSmart HDTVFirepitHorse shoe pitPellet gun with pellets and pigeon/starling baitBluRay player with adult movies

Personally, I think it's only a matter of time before these players enter Detroit.

Multi Family is a team sport just like the NFL, if you don't have 11 players who are skilled and know the play your QB is going to get sacked hard.

How do you seasoned investors find good deals on rental properties, and what are big red flags that scare you away from certain properties?

Most inexperienced agents and buyers won't catch this, but it'll be a red flag to anyone who knows what they are doing.If you're going to do higher-end renovations, do it because the property will show nicer, attract better quality tenants, and rent for more.

YES--Red flag.