If you think clipping coupons isn't worthwhile, you haven't looked at today's coupon websites. The best sites offer substantial discounts, and all you have to do is scroll down them a few minutes at a time. You'll save a bundle on necessities from groceries to clothes – and you'll also discover great deals on the extras that make life more fun.

Coupon Insanity- features a wide range of coupons and links to brand and store savings – think Michael's, Gap, Kohl's and Sur la Table. You'll find unexpected treats such as 50 percent off Starbucks e-gift cards. The site, which is filled with lively graphics, includes other helpful features as well, such as couponing tips and recipes.

Coupons.com is a well organized site with hundreds of coupons and coupon codes for companies including Toms shoes, Sears, the Popcorn Factory and the NBA Store. The site makes it easy to shop by category such as pet care, beverages, home entertainment, baby and toddler, apparel and personal care.

FreeCoupons.com lets you browse by category, and it also organizes coupons by store. It offers helpful tips on coupon matching – combining manufacturers' coupons with sale prices for double savings at places like Target and Safeway. The site shows you how to match $1-off manufacturers' coupons with Dollar Tree items so the items become free.

CouponMom.com provides coupons galore and other features like where to find free samples. This website includes restaurant coupons and drugstore deals – plus, it breaks down grocery discounts by state. It contains videos on how to coupon effectively at your favorite stores, and its blog keeps you up to date on the latest great deals.

TheKrazyCouponLady.com lists many kinds of coupons in interesting and helpful ways. You can browse alphabetically (Haagen-Dazs ice cream, Halls cough drops, Happy Baby Tot Pouches) or by the most recent listings. Each day, it matches new coupons with sales and promotions to offer excellent discounts. The site's blog is packed with useful tips and is written in an entertaining style.

MySavings.com lays things out clearly so you can start saving money right away. It starts off with free samples; next come free items such as audiobook downloads; then you get to the coupon section featuring discounts from stores like JC Penney and OfficeMax. You can also have fun with the site's sweepstakes, contests and giveaways.

PrintingFreeCoupons.com offers oodles of coupons and has reader-friendly tips on coupon topics. One tip reminds you to read your coupons carefully to get the most out of them -- for instance, even though a coupon pictures one product, it may also apply to other items from the same manufacturer.