You know that ever-expanding mountain of bills, forms, receipts, coupons, and statements that collects on the kitchen counter (or the microwave, on top of the refrigerator, by the phone, etc.)? I once ...

Lindsey Ellefson is Lifehacker’s Features Editor. She currently covers study and productivity hacks, as well as household and digital decluttering, and oversees the freelancers on the sex and ...