I am essentially looking to start over and with more caution in getting better investments.

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? 

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

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? 

They are an essential member of your team.

These syndication educators teach you underwriting, give you lists of brokers, recommend you increase your social media visibility and are provided techniques and tools to raise capital.

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

I can’t contribute on STR arbitrage, but I own STRs and have a portfolio of homes here we essentially arbitrage for assisted living, I CAN say the latter is awesome.