Amazon offers its Prime members True Blood: Season 4 Blu-ray / DVD Combo Pack
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $2.98.) That's the lowest total price we could find for this title on Blu-ray by $19. This 7-disc set includes a digital copy.
Best Buy offers it for the same price, however sales tax is added in more location.
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.