Do you recommend making relationship with property management companies?

The BiggerPockets community has excellent book recommendations, such as The Book on Rental Property Investing by Brandon Turner.

I highly recommend their services.

I would highly recommend you create an LP agreement.

Permit eligibility is based on region (usually the west side of town) and density (quantity of surrounding STR's in the area) as well as percentage of landscaping and minimum parking requirements. 

Nothing has changed for now.2024 update: We recommend eFiling for everyone, however starting this year eFiling is mandatory if you file more than 10 forms.2023 update: The IRS (finally!)

He’s not a pushy salesman, and I’ve got a business partner who has worked with him for the last 10 years without any issues.As for your situation, I wouldn’t say it sounds like a Ponzi scheme, but I’d strongly recommend meeting with the fund sponsor in person and asking as many questions as you can.

BiggerPockets also has a calculator to analyze deals, and I highly recommend you start this as soon as possible, even if you are not ready to buy.

Any recommendations on how many rental properties per LLC?

If you're eligible, a VA loan is your best choice since it requires $0 down, no PMI, and allows multi-family properties.