I thought the pms is used to coordinate the pricing and calendars of all the sites and your website so that you don't have to individually update each one every time you get a new booking or want to dynamically change prices across all the sites?

A few ideas:1)You could freelance to help REI companies or individuals stand up their company websites in exchange for money and/or REI mentoring.2)You could stand up a "We buy houses for cash" type website, use some SEO and other developer tricks to drive traffic there, and use it as your primary marketing channel for lead generation.

There was not poorer performance simply because a property was structured as a TIC or wholly owned by one individual.  

This portfolio consists of both my own properties held by my business as well as properties under our management owned by other entities and individuals.  

When dealing with individual sellers, the most important thing is their motivation. 

Also, this can be taking a leadership role at your University if that is in the business department or elsewhere.

There is a tax form (W7) they need to complete to get them a ITIN (Individual Taxpayer Identification Number) for tax purposes since they don't have a SS #.......but that can be done after they invest and before tax returns are filed by the partnership.  

Or are they typically sold individually?

As others have mentioned, learn the fundamentals and analyze each property individually.

Keep in mind that each individual property has different utility bills (due to energy efficiency, possible water leaks, square footage, number of tenants, etc)  Calling the utility company will at least give you a starting point.