What are promotion codes, and how do I use them?
It all depends on the site or the creator of the promotion code. With some websites, they will send you something in the mail that you can input when you actually place an order that will give you some kind of discount. These can range from free shipping to huge percentages off, etc. Just make sure you look out for the chance to enter your "promo code" to make sure that you get the advertised discount.
With lots of common websites you can actually search for current promotion codes if they don't list them on the website itself. You can also commonly find promotion codes that go with membership to certain things that you can then use online to make discounted purchases, etc.
Promotion code is a discount offer by stores to attract and facilitate their customer in return they increase their sale. There are so many sites offering promotion, discount and coupon codes you can get free codes from them and use them at store when they ask you for code. I also want to share some good and relaible sites with you which I am using to get promotion code.