61. Air up your tires. For every two PSI that all of your tires are below the recommended level, you lose 1% on your gas mileage. Most car tires are five to ten PSI below the normal level, so that means by just airing up your tires, you can improve your gas mileage by up to 5%...
Even if you rarely shop at that place, having a rewards card for that place will eventually net you some coupons and discounts.Here’s the basic game plan for maximizing these programs: create a Gmail address just for these mailings, collect every card you can, and then check that account...