Amazon offers its Prime members Gladiator Sapphire Series 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 $10, outside of the mention below. (Update
: It's now in stock for immediate shipping.)
Of note, Best Buy charges the same, however sales tax is charged 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.