This is what happens when the price and consumption of critical natural resources is left to the “free market”. First you get 50 years of waste and overconsumption, Then you get 50 years of pain and suffering. ... Having said that, the total expense of a refinance loan depends on all those factors - interest rate, number of points, and other costs. Lenders will charge several points in order to offer you the lowest rates. With these, the total cost can run between three and six percent of the total amount you borrow. So, for instance, you borrowed $100,000 on a refinance mortgage loan.