You will generally need to have outstanding credit, an appropriate debt-to-income ratio to support a large loan, and the down payment will be significant due to the fact that of the cost of the house. Payments made on a balloon home mortgage will normally be lower than average, and in many cases will just be interest payments.
This leads to a huge payment at the end of a reasonably short term. These home mortgages are typically taken out commercially, and are taken out by those planning to offer a home in the near future. A loan with zero down payment offered just to veterans. The down payment for a VA home mortgage is assisted by the VA - what kind of mortgages do i need to buy rental properties?.