Borrowers with this type of refinancing typically pay few upfront fees to get the new mortgage loan. A mortgage broker can be a useful tool to help find the most appropriate mortgage for your refinancing. In addition any lost tax savings must also be regarded as part of the cost of refinancing. If your home is collateral in a refinancing deal remember that you have three days to cancel. With this type of refinancing you can typically borrow up to percent of your homes appraised value. Variable rate refinancing loans can be very tricky.