When Kasey Trenum, a money expert at Savings.com
and cofounder of the online, money-saving course Time2SaveWorkshops.com
, first started trying to cut her household spending, she looked at where most of her money was going—and it turned out that items she bought every few weeks, like detergent and diapers, were her biggest expenses. So Trenum began looking for coupons and buying those products when they were on sale or she had a coupon (or both)—not just when she was running low. She's been doing this for years, and just a few weeks ago used coupons to score six bottles of detergent, four containers of fabric softener and two packages of dryer sheets for less than $8 total.