Deals expire for many reasons, usually because the price increased or the product sold out. In some cases, the deal may still be available.
Brad's Deals Editor Jacob,
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This Govee 100' Strip Light falls from $21.99 to $10.99 when you click the on-site coupon at Govee US via Amazon. Shipping is free for Prime members or when you spend $35. Otherwise, it adds $6.99. You'd pay more than double elsewhere.