you might be able to refinance if rates drop - it is not a guarantee. If you overpay for a house, and then you owe more than it appraises for around the time y

you might be able to refinance if rates drop - it is not a guarantee. If you overpay for a house, and then you owe more than it appraises for around the time you want to refinance, you are going to have a very hard time taking advantage of lower interest rates, unless you are also in a position to also pay down the mortgage as part of the re-fi.