I sit and clip my coupons. I tote them around in the store looking for that deal to combine my coupons with the give me the ultimate deals. I use maybe one out of every four I clip and that is guessing high. That's a lot of coupons that go in the recycle bin each month.
You can find lists off addresses to send your coupons to online at a hand full of sites. It is a huge job to keep these lists current. This site has done an amazing job. Find the address or addresses you want to send your expired coupons to HERE. Simple things can make huge differences.