ne of the United States’ leading media and marketing services companies, Valassis, recently reported that online coupon use has increases 92% over the last couple years, and overall coupon redemption is at an all-time high. If you’re looking for an online business idea, coupon websites can be very profitable, and there’s no evidence the use of coupons (especially online) is going to decline anytime soon. Check out the great WordPress Coupon Themes that make starting a coupon website very affordable and easy.