If you want to make sure that you have the right loan, then becoming pre-qualified is the first step that you will need to take.
Determining what is best for you and your financial situation is important when deciding on a loan.
When you are trying to find a real estate agent, you will want to make sure they have the right credentials and understand your goals.
If you aren't certain of your financial status and what it will be in ten years, then a balloon will most likely not help you.