Amazon offers its Prime members the SanDisk 32GB Cruzer Fit USB Flash Drive, model no. SDCZ33-032G-B35 for $19.99 with free shipping. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $8.01.) That's the lowest total price we could find by $3.

Note that it has an estimated ship date of four to six weeks.

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.