Before you get involved in a loan, you will want to check your credit score in order to make sure that you will have the ability to get the loan you want.
If you are interested in real estate or just want to work with a negotiator, make sure that they fit your description of a good sales person to work with.
By using a balloon, you will be put into a situation where your mortgage will blow up to twice as much at the end of the term.
Lender companies will be more willing to work with you if you have a higher score.