I have located the VIN numbers for each trailer and now I am looking for advice on how to get titles to these trailers. 

You have to dig a little deeper there are questions that need to be addressed and VOE's filled out with specifics in order to use certain incomes and "stipends".Similar to a traveling nurse who get housing, meals, and other income. 

Unless you're in the right market, traveling nurses can be hit-or-miss.

Many of my customers who are traveling nurses buy condos or townhomes in Florida as vacation homes, then rent them out when they're not in town.This system has proven to be very lucrative, as it allows them to service the mortgage debt and generate a good cash flow.

Quote from @Diandre Pierce: I have an uncle that has owned 6 trailer parks (over 100 trailers) for 16 years.

Quote from @Marc Robinson: I have an off market opportunity. 30 pad trailer park, only 19 trailers currently on-site 17 with MTM tenants.

Parking lots, truck, parking lots, RV and trailer storage, storage units.Does anyone have good information on how to perform market analysis for these kinds of investments?

@Ryan Duphorn  a  5 /2  and 1920 square feet IMHO isn't a good health care traveler accommodation unless you are in a area with a shortage of housing. 

However, I am unfamiliar with any lenders having traditional mortgage options for anything with a VIN number such as a trailer.

We use self contained bathrooms on a trailer.