Do you really want to be operating a business.I would sell and invest the money in a income fund of some type that could probably generate a 8 - 10% return without a problem.Let your children get loans if necessary.

It can't be as simple as a steady incline with inflation, can it?

But we can use a simple example and you'll get it. 

@Jon Dorsey The 'environment' does not change business fundamentals.Parks with POH are two separate business: one is the MHP, which generates revenue and expenses from the operation of the park; this has its own value and risk profile.

This is all really helpful so what all goes into “analyzing a deal”, and what are simple things that I should be looking for? 

Being a real estate investor and business owner, operating thru S Corps, C Corps, and LLC's, I know of lawsuits filed against the LLC and the owner personally, an S Corp and the owner personally, either by piercing the corporate view, or for the owner being personally negligent.

Ft lauderdale and Miami have more year round because of the size of the market, business operations, etc but the price point is higher and so is a higher barrier to entry.

It seems like a simple thing, Stephen, but reaching out in BiggerPockets about getting started as a real estate investor is a great first step.

Sorry if I over delivered your simple question.

Explain to her that it is her problem to cut the grass plain and simple .