Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Does it make sense to refinance a 30 year mortgage to 15 years?
There's several different trade-offs wrapped up in your question. In general, refinancing a mortgage to a lower interest rate makes sense if you are certain you'll be living in the house for N years.  N depends on your closing costs and points.  Basically you need to calculate the break-even point for when the savings from the reduced interest rate exceeds the cost of the re-fi.  When I refinanced, the broker did the calculations for me for a range of options, maybe yours could as well. The trade off in selecting 30-year vs. 15-year is between monthly payment and total outlay.  A 15-year mortgage will have a higher monthly payment, but the total money that is paid out the bank (rather than to your equity) will be less. Using the Heloc to do the down payment seems sketchy; plus then you have two loan payments you're making each month.  Why not keep it simple and look for a $250k loan with 5% down?  Presumably with the current mortgage you already put in a good down payment, and have built some equity up.