E-Trade Financial Corp. on Thursday posted its second straight quarterly loss, after the ailing online brokerage booked more charge-offs related to its mortgage portfolio and. As stated earlier, FHA mortgage is a way for homebuyers to obtain financing for their homes. All home purchases require buyers to make a certain set percentage of the total purchase price, called the down payment. What the FHA mortgage insurance does therefore is to allow a homebuyer to make a modest down payment and obtain a mortgage for the balance of the purchase price.