How to use a Smithsonian coupon
The Smithsonian lets you shop by price on their website, which makes finding the best deals easier. Check the banner ads for current promotions because sometimes you can find good things like free shipping offers and such. The "Sale" section at the Smithsonian is another good place to search for discounted items. Additional discounts and coupon codes for your Smithsonian purchase may be found at Coupons.com.