Letâs look at a hypothetical spontaneous chemical reaction: The quantity of usable energy (chemical potential) in a reaction is called the Gibbs Free Energy (DG). DG is the difference between the energy contained in the products of a reaction and the reactants: DG = (energy of products) - (energy of reactants)
That's why some financial experts feel it's more realistic to think in terms of your net income, aka take-home pay, and that you shouldn't use any more than 25% of your take-home on your mortgage payment.
Obviously to pay off the mortgage faster you need to pay more principle, especially at the front when 90-95% of your payment is interest. These mortgage acceleration programs promise to set this up for you while also not increasing the total amount you spend each month. So if your mortgage is $1,000 per payment, youâll still end up paying $1,000 per month yet somehow pay the mortgage off faster.