What is the first step I need to take to stand firm on receiving payment?

You want to invest just to have a place to live and potentially offsetting your mortgage payment by renting out the vacated rooms or having x amount of cashflow in the future?

Brown failed to avail herself of the service electing, instead to forego payment for the services provided.Therefore, the role and labor of any sales team became a commitment of Ms.

Do you have to start making payments right away when you close or do they give you time to get the construction complete?

My current W-2 income will probably not be enough to qualify for the loan, but my income from my current property, which has existed for far less than the two years lenders will look for, gives me more than enough money to be able to handle the payments on such a loan, if I could qualify. 

What is the best way to go about pulling from the $100k in equity in the first property for a down payment on the next property?

DSCR loans are based off of down payment, credit score and either actual or market rents so it helps to supercharge an investor's real estate goals and net worth.

I have documentation of payments and evidence he lives here and a rental agreement.

I'd then work my a$$ off to pile up another down payment, and buy another as soon as possible.  

In order to not have to put any of our own money into this deal, we intend to leverage the equity of my Grandma's home as a down payment for the loan.2) Should we leverage a construction loan or some other form of financing?