Amazon offers its Prime members Iron Man 2 on Blu-ray Disc
with free shipping
. (Non-members can spend over $25 for free shipping; otherwise, it adds $2.98.) That's the lowest total price we could find by $8.
Best Buy offers it for the same price, but charges sales tax in more locations.
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.