PerfectDeal Outlet via Amazon offers Amazon Prime members the OEM SanDisk 4GB M2 Memory Stick Micro Flash Card
, model no. SDMSM2-004G-A11M, for $5.99
with free shipping
. (Non-members can spend over $25 to qualify for free shipping, otherwise shipping starts at $5.58.) That's $1.50/GB and the lowest total price we could find by a buck.
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.