If you want to find big savings on the Cuisinart Griddler GR 4 there are a few things you can try.
1) Do a Google search for the product (in this case "Cuisinart Griddler GR 4") and then look through the results for shoppping related sites that mention "discount" or "coupon" or "savings on" or other phrases related to a sale event.
2) Look for results that mention "free shipping" -- sometimes getting free shipping is worth more than a discount on the product price, because some companies make up for low pricing by charging very high shipping rates. Once you've gone through the checkout process, they count on the fact that many people won't want to quit and start searching all over again!
3) If you find a good deal from an online store where you have not shopped before, or that you haven't heard of, do a little digging before you purchase. Check the user reviews for the Cuisinart Griddle GR 4 - they will often mention whether they had a good experience with the online merchant. Check the online merchant's policies for shipping policies (deliver time, how they deal with lost or damaged items, etc.) for returns, and general customer relations. If it's a good-sized online merchant you should be fine purchasing from them, but it only takes five or ten minutes to do a little checking.