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How to get the lowest mortgage rate on a new purchase?
Purchase loans tend to be more challenging to get the best possible rate, because you have to balance closing the loan and getting the contract. So there isn't as much time to shop around as when you do a refinance.  I disagree with the sentiment to go with your local bank. Nothing wrong with asking at your local bank and using their numbers as a baseline, but chances are they won't be competitive. There are many reputable online mortgage originators that will show accurate fees and rates upfront assuming you provide accurate information.  In the past there were a lot of issue with Good Faith Estimates being pretty much worthless. There were a fair number of horror stories about people showing up to closing and finding out fee or rates had increased dramatically. There was a law passed after the housing debacle that severely limits the shenanigans that lenders can do at closing and so there is less risk when going with a lesser known lender. In fact I would say the only real risk with a lender now days is choosing one that happens to be overloaded and or just has poor customer service in general. Personally I have found the most competitive rates from Zillow's mortgage service and the now defunct Google mortgage. The lenders tend to be smaller, but highly efficient. They are very much dependent on their online reputations. I have heard good things about a number of larger online lenders, but I don't have personal experience so I will leave them off. I personally wouldn't worry much about whether the loan is sold or not. Outside of refinancing I don't think I have ever talked to the bank servicing my mortgage about my mortgage. There just isn't much need to talk to them.