It may be worth letting them know about the prequalification requirements (credit score over xxx, salary above xx,ooo/year, etc.) in advance to weed people out.

@Cyndi Lees the thing that catches my eye in your post is that it would require quite a bit of work to get it started as a rental.

He's refusing to communicate because he wants you to panic and (a) release him from his lease, and (b) possibly even compensate him for the impact to his health, his requirement to move, etc.2.

When it was built the electrical wqs put in to the code requirements at that time .

So people argue a) whether it is actually required and b) what are the consequences if you do not file. 

This leads to Early Issue Title Insurance being a requirement of the buyer's lender, leading to higher closing costs for the buyer and the seller having to document the following:1.

I put it in my information when guest are booking, that they will be required to provide their email and sign an emailed(I use DocHub) to sign the rental agreement/Golf cart waiver.

Some of those programs require that the property is leased while others do not. 

Additionally it can often results in multiple additional tax filing requirements riving their tax filing costs up unexpectedly. 

Maintenance can also be a factor—while newer homes may require minimal upkeep, older units might need more frequent repairs, particularly for things like plumbing or HVAC systems.Some things to pay close attention to:Zoning and Permits: Check local zoning laws and permit requirements to ensure you’re allowed to place a mobile home on your land and rent it out.