What are the most commonly made mistakes in buying or refinancing a house?

Should I refinance?

Should I pay points? Does a 0 point/0 fee loan really exist?

What is a FICO score?

Why do interest rates change?

What is a rate lock?

What is the difference between pre-qualifying and pre-approval?

Can my loan be sold? What happens if my lender goes out of business?

What is PMI? Can I get rid of the PMI on my loan?

What is an APR?

What do all these terms mean? (Glossary)