Guesty has proven beyond helpful.It funnels all of your listings and accounts into a SINGLE, uniform inbox.

It's great to have you here.Here are some recommendations for you:Find and connect with other BP members that are in your area: http://www.biggerpockets.com/m...Set up keyword alerts to be notified of the topics that interest you: http://www.biggerpockets.com/a...Read Beginner’s Guide: http://www.biggerpockets.com/r...Check out BP Money Podcast: https://www.biggerpockets.com/..Wishing you the best

Should I also run the credit report and background check on the co-signers?

One of my clients recently purchased a home in Big Bear for STR and I understand it's going pretty well.Best site to check numbers is directly on Airbnb.

He is willing to do a 25 year seller finance on this deal after accounting for vacancies, maintenance, capital expenditures I should be looking at around an 18% cash on cash return ROI is that a good cash on cash return for a mobile home or should that be higher?

Check out some local meetup groups in the area.OCREIN - Unlock Your Real Estate Success: Stand Up and Connect!

Also check out platforms such as "Meetups" or "Eventbrite" if you haven't already.

She paid in full Wednesday but asked me if I would wait to cash the check for a couple days. 

I will check out FB and Zillow. 

But only ONE of the leads says "Cut off account for nonpayment."