Is all good for those who are customers? 

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.

Having a youtube channel where you talk about your services, how you help people, customer testimonials, and answer common questions helps with seo.

You can focus on the mechanics of capital raising, the legal set up, good customer service, that's what I did when I got started nearly 22 years ago.

What solutions could we bring to the table that would enable us to continue bringing a true glamp service to our customers.

Multi repeat customer?

To me that's for retail customers.

Even if the install was done incorrectly, they may still help you out with a customer service approach.

Maybe I'll start just cutting and pasting in a canned response but for now I'm still customizing for the OP

Most commercial yards put a time limit on your rental anyway in order to be able to serve other customers.