Its a common practice for them to pay the first couple months then stop and enjoy the free ride for 3 months as I struggle to get the money then evict.

I also pick up a few lower end condos/townhouses every year or two until I get to 30, which is my current goal.Professionally, I have a law degree and I am a licensed CPA and licensed Florida real estate  agent so I combine my personal and professional experience to practice full time as a Qualified Intermediary in all 50 states.

Practice your pitch!

BP is a great forum where you can educate yourself at a very quick pace for practically zero $.

Some people might find for example in marketing the use of emotional exploitation propaganda might be a common practice for some companies.

This way you can also practice running the numbers. 

The needs and best practices are very different between residential vacation or short term rentals, long term rentals, HOA management, and commercial properties or land.

He's got a LOT of helpful tips, including a bunch of stuff that's just good practice for landlords in general regardless of what types of properties they specialize in, not just Section 8.

We have law-abiding citizens competing against law-breakers and that is not "free market" practice.

Find Brandon's videos on YouTube for the "four square" method of analyzing homes and practice.