The rate won't change when the mortgage is sold, you just end up sending your check to someone else to process your payment. You just need to make sure the new servicer keeps up with paying your taxes and homeowner's insurance if you do all that through the mortgage. That's where most of the problems pop up, that and the amount in escrow.
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69 Z28 JL8 4 wheel disc brakes - being restored
09 Silverado Z71
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