If not, they may want to speak to a mortgage broker local here in Florida to help expand their options! 

Me and my clients all use a low money down conventional mortgage (as low as 5% down) with NO PMI and extremely low closing costs. 

and only take out a mortgage on one or two in order to accommodate the $700K mortgage now. 

No mortgage on it.

They could offer different products for single family vs multifamily so it's a good idea to get with a lender to see what they can do that may not be your typical mortgage type.

Yes Note and Mortgage. 

So, I also require that :Monthly Rent + Monthly Debt Payments <= Gross MONTHLY Rent * 45%This is similar to how mortgage qualifications work by considering the applicants' debt loan along with their housing cost in relation to their income.

Principal mortgage balance is $159,531.

As a park owner, it’s usually better (in my humble opinion) to sell the home to a solid tenant who will then pay lot fees and maybe a mortgage.  

So, make sure you do your research before installing cheaper flooring.4.