Why do the different lenders have different rates? Is the difference in rates going to make a huge impact on the cost to the homebuyer? Explain your answer.

Find 5 different online mortgage lenders, such as this one.
From these 5 lenders, find the following rates, assuming the mortgage payments are made monthly:
10-year (if available) for fixed-rate mortgage
15-year (if available) for fixed-rate mortgage
30-year for fixed-rate mortgage
Convert these rates into effective annual rates (EARs).
Discuss which rate is actually the cheapest rate.
What are 2 things about the sample Web site given above that could be applicable to a consumer or investor?
Present the rates in a table. List the quoted rate and EAR rate, the lender, and the maturity of the loan. Show your work for each calculation.
What is 1 mistake people make when calculating their mortgage payments? Explain your answer.
Based solely on the EAR, which rate is the cheapest? Does this make sense?
Why do the different lenders have different rates?
Is the difference in rates going to make a huge impact on the cost to the homebuyer? Explain your answer.