Amazon

Amazon rarely runs a sitewide sale, so the savings live in the details of a listing rather than a banner. Three things move the price you actually pay.

Clip-on coupons. Many listings carry a small "Apply $X coupon" or "Save 10%" checkbox just under the price. It is easy to miss and it is applied at checkout, not on the product page, so tick it before you add to cart. Coupons are per listing and usually per customer, once.

Subscribe & Save. For consumables (razors, coffee, pet food, supplements) the subscription price is typically 5% below the one-off price, rising to 15% when five or more subscriptions arrive in the same month. You can cancel after the first delivery without penalty, which makes it a straightforward one-off discount if you would rather not subscribe.

Lightning Deals and Deal of the Day. Time-limited and stock-limited; the price shown is the deal price, and the listing reverts when the timer or the allocation runs out. Prime Day and the October Prime Big Deal Days are when these are thickest.

Warehouse and Renewed. Amazon Warehouse sells returned and open-box items, graded by condition, with the standard return window. Amazon Renewed is refurbished stock backed by the Renewed Guarantee. Both are where the largest discounts on electronics tend to sit outside sale events.

Promo codes in the classic sense are rare on Amazon. The codes that circulate are almost always for a single seller's listing, so check that the product you are buying is sold by the seller the code belongs to. Amazon is not part of the Takeads network; our Amazon links use Amazon Associates.