Most professionals will recommend a separate LLC for every $1 million in assets but I don't think that's necessary.

How can I do this in a professional way and what reason do I give them for denying them the rental after I already accepted them?

Math clearly isn't their strong suit.As for the squatter, this demonstrates why it's important to use a professional property manager.

Most professionals will recommend a separate LLC for every $1 million in assets but I don't think that's necessary.

I've always been a bit of a "job hopper" and have worked in several different industries over the years (eg. healthcare, insurance, bartending, audio engineering, project management, adult corrections, and other security work).

Some are professional and most posts are technically by the rules, but when you see three people from the same brokerage hop on the same thread, it's too much.

Pay for professional advice and advocacy when needed.Support each other - you WILL get through this.

If you don't have copies of the lease, then that's where the experienced real estate professional comes in handy. 

Readers should seek professional advice.

Hello Bigger Pockets folks,I’m an early career professional mechanical engineer (~8 years) hoping to learn the ways of real estate investing and make the ultimate pivot.