If you have to pay to run power to the lot for example, the cost to run that power is the same whether you put a manufacture home or a custom 3000 sq ft home.

Though we cannot assist with owner-occupied, DSCR loans are typically going to be 1.5-2% origination + $1500-$2500 in underwriting/admin/legal fees. 

Example- finding motivated seller.

For these interest only products, they are generally only interest only for a short period of time, anywhere from 1 to 3 years is pretty typical. 

For example, you could sell everything and invest 1/3 in stocks, 1/3 in syndication, and 1/3 in self-storage or some other real estate.

They typically do not appreciate that well, you need to worry about the condo association changing the bylaws on you, and a lot prohibit airbnbs.

Trusts are typically done as part of a full estate plan that includes other documents to cover you in different situations like Wills, Powers of Attorney, Advance Health Care Directives, etc. 

If you ever need help running numbers and forecasting to see what a value add play would look like, I've built a financial model I help investors with all the time for free that looks out 30 years (example on my website).

You wouldn't pay more for a home with a really strong tenant b/c even the strongest tenant typically has <12 months left on the lease.Take a look at the cap rates.

For example, even 50% down payment, the loan repayment is still more than the rental income.