You gave them sufficient warning, they know the home is no longer vacant.

I've been evaluating a mobile home park with about 1/10 acre of land per pad.  Is this a typical amount of land a resident would expect? 

That being said it is possible to get a line of credit against provided there is sufficient equity. 

Only problem was that his numbers didn’t account for management, capex and sufficient maintenance costs (note, there is a big difference between looking at the prior year’s maintenance expenses versus an average year’s expenses – especially when the property is about to be sold!).

I verify their income is sufficient to pay the bills.

For investments that are relatively static and singular in nature - shares of a private placement for example - the services of a self-directed IRA custodian can be sufficient. 

3. is listing agent's declaration of service to tenant alone be sufficient evidence to win an eviction trial?

There are no rules that a borrower gets a loan mod for the asking...or that all borrowers are eligible for a loan mod but, if a lender offers a loan mod as an option, and IF a borrower IS eligible, there are rules that prohibit the lender from not offering one.For a loan modification to be considered, there needs to be documentable income sufficient to service the debt at a subsidized rate/term.

Probably something around 150-200 sq ft would be sufficient. 

"In one private letter ruling (PLR 8429039), the IRS stated that a minimum holding period of two years would be sufficient.