I'd also partner with a lending company that understands how this is going work, and what your plans are.And last, but not least, I'd partner with a CPA to help navigate you to the ways of working this properly. 

My company offers real estate syndications.

Not likely.Maybe some of the tenant acquired their own washers and are using them for cleaning but your dryer for drying.Get a security camera and mount it in the area and post signs saying the same.

I was thinking about talking with a modular home company and starting a lower middle class mobile home park.

I don't see much information regarding this company. https://s8academy.com/section8Or have you had any good experience with any other programs?

Unfortunately there competitiveness in the market and cut throat antics give the other offices (company) a bad name. 

There are short-term rental management companies that can help with that.One that I work with in Michigan covers the entire state and can advise on local short-term rental regulations or regulations that may be on the way, they can give you an analysis of the demand for short-term rentals in that area, nightly rates in that area, monthly occupancy percentage, and projected monthly income.They also let you choose the level of service you would like from them from full service to minimal.To your success!

The mother of a client of mine didn't want the land anymore and so I paid her what other acquisition companies wanted to buy it for.

There is a company called Fund & Grow and they help you navigate this process and get between $50,000-$250,000 in combined business credit lines.

Blue Oval City, which is operated by Ford Motor Company is bringing a lot of jobs and opportunities to the area.