This is the responsibility of the Compliance Officer for the Lender and they should be qualified to administer this program as well.Basic PointsUpon receiving a written request for relief and a copy of a servicemember’s military orders, creditors must, for the duration of the servicemember’s military service, reduce the interest rate on debts incurred by the servicemember, or a servicemember and spouse jointly, before entry into military service to no more than 6 percent per year.

Duration of filing.

Mathematically, it doesn't matter if you have this done with one loan that you held for 365 straight days, or 2-3x on shorter-duration loans as you outlined above.To make that more intuitive, even if you reinvest 3x a year... each of those investment periods will only be for less than a full year, right?

What would not be regulated is the duration and frequency of rental. 

Does anyone know if there is a maximum duration on these types of loans, or does it vary by state? 

Best Practice: Create a Property Condition Report periodically during the duration of a tenancy.

Few RE markets in US have historically appreciated as much as San Diego and this is irrespective of the duration (last 5 years, last 50 years). 

Let's say that a "rent lock" is legitimate (sounds fishy, since that is what a lease does anyway for the lease duration at least).

If the fed increases the fed funds which is directly linked to prime (usually 3.00% or 300 Basis points above fed funds) it will cause your HELOC monthly payment to go up immediately.The upside of a fixed loan is that you get all of your money upfront and you lock in that segment of money for a fixed duration and term so there are no surprises in monthly payment.

I have never refinanced raw land but if this was a home my first question is can you refinance it by extending the duration into a payment that you can afford?