The phrase points to a promotional offering a digital or physical voucher worth one hundred US dollars redeemable on Amazon.com without requiring upfront payment. Such offers often surface as incentives within marketing campaigns, loyalty programs, or sweepstakes.
The perceived value stems from the ability to acquire goods or services on Amazon without immediate monetary outlay. The historical context involves the evolution of promotional strategies, shifting from traditional coupons to digital incentives like gift cards, leveraging the extensive online marketplace for consumer attraction and retention.