High crime areas are concerning for obvious reasons, but those properties can produce the best returns in many cases, having a competent PM in place should alleviate those concerns. 

Go find a deal that already produces income and is selling below market value.

I don’t think the gear mechanism in the meter could produce a false high reading, but I’m not sure.  

Bi level homes with basement apartments around the 300k mark that would produce positive cash flow after all expenses ( maintenance, management, taxes and so on)

Since I have not begun buying rental properties or performing major rehabs I feel that I don't have valuable content to produce on these platforms.

I've googled this several times and feel there is a lot more than what is currently being said, what are the the hidden questions you wished you asked, especially for someone looking to be a high producer.

This is assuming you can locate properties of lower class in higher rank areas.As to weather B or C area is better, the way I look at it is the following factors:Yield: What are my investment return goals, naturally higher risk, C areas will produce better yield. 

Everything they promised during my initial visit has so far been kept and delivered.After closing the first property in Nov I also got the property management agreement in place, which include a clause that ensures I will be paid the agreed rent for each property even if the TK company can't find a tenant right away.

You need to be able to manage and deal with multiple contractors and vendors who don't always produce what they say.

Bottom line, it comes down to how active you want/can to be with your investments and what returns it will produce based on your time devoted to this business.Here're a few articles on the topic for you:https://www.biggerpockets.com/member-blogs/10850/84064-what-type-of-investor-to-be-when-i-grow-up-active-or-passivhttps://www.biggerpockets.com/member-blogs/10850/85836-should-i-buy-a-turn-key-property-or-invest-in-a-syndication