Amazon offers its AmazonBasics 16GB Class 10 SDHC Secure Digital Card, model no. ABSD007, for $18.99 with free shipping. (Non-members can spend $25 or more to get free shipping; otherwise, shipping costs $4.98.) That's $1.19/GB and the lowest total price we could find for such a card by $4, although we listed one for a buck less yesterday (since expired). Deal ends September 28 at 3 am ET.

Amazon Prime membership is $79 per year; however, Prime is free for college students for six months, and free for parents and caregivers for three months.