In my case, when I buy fbo my company, I routinely make offers that are not contingent on financing.

Some great neighborhoods that have great schools, and low crime in the Orlando area are College Park, Winter Park, Windermere, Winter Garden, Maitland, Baldwin Park, SoDo (south downtown), Dr Philips, and Oviedo. 

You can't acquire anything in Midtown, Grant Park, or East Atlanta Village for under $500k, let alone $300k-$350k.

We could get some pretty good ball park numbers on what the refi would look like to help you make that decision.

I want to offer in the ball park of $370,00o to test waters have them meet me in the middle around 390,000 with a fixed rate 30 year 6.75%.

1 - Why is the rent lower than other units in the park?

Investors analyze income, costs, financing conditions, market rents, operating efficiency, and other dangers in order to assess cash flow potential.Increased revenue from tenants, extra sources such as laundry facilities, parking fees, and storage rents, as well as mortgage payments, property taxes, insurance, maintenance expenses, utilities, property management fees, vacancy allowance, and capital expenditures.

You mention mobile home(s)...perhaps implying this is a mobile park community?

One of the biggest is parking. 

I want the STR to be close to the main national parks and still on the fence weather it needs to be rural or closer a city.