Buying real estate involves the purchase of a home, commercial property or tract of undeveloped land for personal use and/or investment reasons. In most cases, real estate purchases require mortgages to finance. When individuals look into buying real estate, they will find a number of different mortgage vehicles available to help meet their needs. Accessibility of funding can be impacted by such things as the cost of the property, the amount of the down payment and the financial standing of the applicant.