A mother of seven feeds her family and 200 fellow parishioners for less than $100 a month; another couponer shops to feed 20 guests at her lake house, and faces unexpected competition from her best friend.

In Upstate New York, a couponer shops for her sister's wedding, planning to feed 280 guests on a $150 budget. Meanwhile, in North Carolina, a woman's grandmother left her a treasure trove of coupons with no expiration dates.

A California couponer feeds her whole family on just $25,000 a year.