You cannot have a traditional homeowners policy and a landlord policy on the same dwelling.

The challenge, as you’ve discovered, is that traditional HELOC lenders typically want the property titled in a personal name rather than an LLC.

Emphasize how this arrangement could work to their benefit, offering steady income, avoiding a traditional sale process, and giving them the freedom to move forward with their plans such as buying that sailboat and sailing around the world.If they ultimately decide they’re not interested in selling, you’re still in a great position to continue your search and buy your own property in the near future.

You also don't need to do a traditional long term strategy, is there a draw the  area that playing host to a traveling nurse or other professional/student would be interested? 

The seller is open to seller financing, which presents an incredible opportunity to grow without traditional bank financing.

This gives you a foundation for making a fair offer.Secure Financing: Be prepared to show you’re a serious buyer with funding lined up, whether through cash, traditional financing, or a creative option like seller financing.Have a Strategy for Repairs or Development: If the property is distressed, outline how you’ll handle improvements to bring it back to productive use.

Other parks our size have about the same rent but have water included or basic cable, have rec centers or nice playground / pools, have multiple works on site.

Unlike traditional banks and credit unions, we don't face the same constraints, allowing us to offer more flexibility.

I’d love to take advantage of a “traditional” mortgage (or even FHA?)

Traditional residential home loan.How did you add value to the deal?