Is it true that I will need 20 percent down to purchase a home. 'INHP is a not-for-profit organization that empowers people in Indianapolis to realize their dreams of successful, long-term homeownership. The American Have a flash Down Payment Act gives the cash directly to the masteries (either state or neighborhood) for the buyer that has definitely filled the bill for the gratuity. I had this couple one time who wanted to buy a home.