A mortgage is simply the financing of a home... 

Mortgage Rates are driven by investor demand...

Securitization makes rates lower and allows them to follow other bonds... 

Some Key Concepts are...

Mortgage rates change daily, and sometimes multiple times per day...

Understand how investors, lenders, and borrowers come together to determine the final mortgage rate...

APR attempts to factor in upfront costs to deliver a true “cost of financing”....

Rate lock time frames can vary...