Happy to make unbiased recommendation. 

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.

Make sure you review the surrounding area and watch out for the RE "doom loop" https://www.wsj.com/real-estate/commercial/doom-loop-st-loui...

Our reviews are stellar 5 star, our guests absolutely love it.

Look for reviews and a track record of closing. 

However, I would consult with an attorney or try to get a template from someone who has had an attorney reviewed document.

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.

A simpler and more effective strategy is to understand the tax implications and plan accordingly, possibly by working with a CPA who can review the specific syndication's operating agreement.While UDFI is a factor to consider, it shouldn't be a deterrent to investing your retirement funds in real estate syndications.

Review this with your own Insurance agent to see what they think. 

You can also search Google and read reviews.