You will need to check with your state's laws regarding how much notice is required.

I'm thinking we could sell off 10-15 acres of land, it is a fairly desirable area and the land wouldn't feel right on top of the park as it is wooded and hilly.

For mortgage debt, the following additional requirements must be met:the party making the payments is obligated on the mortgage debt,there are no delinquencies in the most recent 12 months, andthe borrower is not using rental income from the applicable property to qualify.

No requirement if paid by credit card.

MANY folks will probably tell you "its a business" and to issue whatever "pay or quit" notice your state requires as soon as payment is late.

Never sign an NDA to go see a property, some New Western franchises required that, not sure if all do, but that is a crazy request and uncommon in the wholesale space.

No as they all require different licenses and very different areas of expertise.

They will contest the debt and most likely you will end up needing a Judgement which you then hope to enforce later (good luck).The main leverage you have in your desired scenario is Posting negative item in tenants Credit Report and hope they care.

Just because you walk away from the purchase if the dealer cannot sell it for what you desire to pay (as cheap as possible) does not mean it is communism.  

We've backfilled plenty of pizza huts, boston markets, etc that have single tenant free standing buildings and generally these buildings are highly desirable for other uses as well, we are often shopping for a medical user for instance.2) There is usually another restaurant operator looking to backfill a space and not have the buildout cost associated with a shell space.like with all things in real estate its a spectrum, and what you are looking for in a return, flexibility, and budget will generally narrow what is feasible for you and your search.have you given any thought to the above (ie returns, budgets, other uses)?