> Just a minor nit pick, but important: When comparing the costs of renting vs owning, you need to compare rent+fees to mortgage_interest+property_taxes+fees, minus any real estate tax deductions (if you itemize). The principal portion of your mortgage payment is not an expense, it turns into your own home equity so it's money coming out of one pocket and going into the other.

You need to compare both numbers, because that equity doesn't do much to help you make your payments.