Mortgage Rate Comparisons and Shopping Shopping is the best way to do a mortgage rate comparison. Not only does shopping allow you to get the all the information you need to do a complete mortgage rate comparison but also, it lets you have an idea on what services other firms are offering. When you shop around to do a mortgage rate comparison, there are a few things you need to keep in mind. With interest-only mortgage rates, there is no limit to the amount of cash you can take. Interest-only mortgage rates were created for the wealthy and savvy investor types. Some lenders though put certain restrictions on the amount of cash out an interest-only mortgage rate borrower can take. But even then, interest-only mortgage rate programs are made available to borrowers who want to avoid incurring penalties when taking large equity sums. To avoid this, an adjustable mortgage rate may help you get started on a lower mortgage rate, but if interest rates grow, your monthly mortgage payments will rise also. Fixed mortgage rates are usually higher than adjustable mortgage rates but they can save you money too, especially if the interest and mortgage rates go up. And InterstFirst product only lets interest-only mortgage payments for half of the total term. The expiration schedule of an interest-only mortgage payment is usually at the end of a set period. This makes interest-only mortgages compatible to "amalgam" adjustable rate mortgages. When the interest-only mortgage payment comes to an end your payment will then rise to include principal and interest. Thus at the end of each loan term where balloon payment mortgage is applied, no money is owed. With balloon payment mortgages however, the monthly payment only comprises of interest or a combination of interest plus a small amount for the principal. No matter the case, when the balloon payment mortgage term expires, the balance is due in full. Not surprisingly, one of these factors that affect the movement of bank rate mortgages is you - the consumer. Bank mortgage rate money come from any number of sources. Bank mortgage rate money may come from deposits at banks and brokerages. Most bank mortgage rate money comes from investors who comprise the collective term, "capital markets.