modern shoppers need to learn how to buy things at the grocery store. first, you should check out the weekly newspaper ads. find out the items that are on sale and decide if you really need those things. in other words don't buy anything just because it's cheaper than usual. next in the market, carefully read the information on the package, and don't let words like "new and improved" or "all natural " on the from of a package influence you. instead read the list of ingredients on the back. third compare prices that is, you should examine the price both of different brands and different sizes of the same brand product