Background checkCredit checkPast performance.

Go to Etsy and search for "rental property tracker," and you will find hundreds of nice spreadsheets to track 10-20 rentals, usually for under $10.Software has extremely helpful features like online payments, marketing syndication (click a button, and your property is advertised on multiple sites), electronic document review/signing, maintenance tracking, and owner reports.

I run the land brokerage arm at Newmark in Houston and sell development sites primarily.

This is a RE site.

@Dennis Boettjer be careful about basing your decision solely on past deal performance.

Ensure your records include details of any hired help and the tasks they performed.

After nearly 3 years of operating history, I'm concerned that the properties are not performing well enough to warrant continuation of the venture, and I'm considering selling.

Get architect into the house when you are in escrow, get all drawings and site visit done while in escrow along with prep to submit once you close 2.

Here's a bit of background:I have over ten years of experience in real estate.I've bought and sold hundreds of properties in the past two years.I have six performing rental properties and aim to expand this to 50 by the end of the year.

I always ask for one deal that didn't perform as they expected and the results of that.