When you are attempting to time the best time to borrow for your house, picking a time when interest rates are down will save you a lot of money. If you think interest rates are going to increase, you will want to lock in a lower rate now, but if you think rates may still fall considerably, you may want to wait before you commit to a mortgage.
Just as the stock market and the commodities markets have become more and more complex with derivatives, options and other products, the home loan market has become complex as well. Applying for a loan today almost requires an accounting degree, there is such a wide array available, not just the traditional, fixed rate, fixed term loans that everyone had years ago.
