Grocery coupons are offered by stores or by manufactures. Manufactures will offers coupons during the launch of a product as part of the process of introducing it into the market and giving customers a chance to test drive the new product. Grocery stores may offer discount coupons in conjunction with the manufactures or to move slow moving stock or just to pull in more customers to their stores.
Grocery stores publish their bargain coupons either in weekly fliers or online if they have a website. All customers need to do is to present the coupons at the check out counter and receive the reduction on the product. Manufactures discount coupons can be mass mailed (especially for product launches) or they may be available on demand for those who want them. Some independent websites offer coupons from selections of product brands that are available on demand online. If you are looking at trying a new product but do not want to pay the full price only to find that you do not like it then you can ask for such coupons. They are usually mailed out within a week. Also they are good for products that you use frequently. There is a limit though as to the number of coupons you may...