I always see people posting to stay away from D/F neighborhoods, but I don't ever see how exactly to determine that - I've read a breakdown of what each class entails, I guess I'm just looking for a tool that tells me that instead of trying to figure it out on my own in an area that is not well known to me. 

BP has various tools to help you analyze your deals (rentals, flips, wholesale, etc). : https://www.biggerpockets.com/investment-calculators7.

I pay quickly, call him first, refer him out, give him tools and such I don't need or use anymore, and let him keep anything that is salvageable from a project that I no longer need.

I bought some tools, watched YouTube videos, and saved thousands on the remodel.

Use a dynamic pricing tool (like Pricelabs) to be more competitive - you may have #1 and #2 dialed in, but if your pricing is off (too high) then you won't get bookings.4.

Seems like a great tool!

What screening tool are you using? 

I've used propstream, but I would like to find something that is just a pay per list, not monthly fee.Second, are there any tools that allow you to search for individuals that have owned multiple properties over a given period of time? 

BP has various tools to help you analyze your deals (rentals, flips, wholesale, etc). : https://www.biggerpockets.com/investment-calculators7.

You are correct I am utilizing my journey as an educational tool for others.