One thing to keep in mind is that while you are paying a park rent fee plus your loan pmt. that combined total would likely not be any more than what you would pay on the outside.
For example: If your loan was say 100,000. Pmt. at 5% (and that's high) for 15 yrs. is 790.00. If your loan was for longer - pmt. is less.
Add park rent of say 600.00 to that and your looking at 1400.00 a month. There is are no sewer, garbage or water fees. Also no property tax. You have free lake access and launching, free recreational vehicle parking, 10% store discounts, gardener, free use of basket ball and tennis courts as well as free use of Club house.
On the outside you would be looking at your loan payment, plus property tax, plus garbage, sewer and water costs.