GeeksWholesaler via Amazon offers Prime members the Prince of Persia Sands of Time Trilogy for Windows
with free shipping
. (Non-members can spend $25 or more to qualify for free shipping; otherwise, shipping costs $4.98.) That's the lowest total price we could find now by $3, although it was $2 less in January. It includes Prince of Persia: The Sands Of Time, Prince of Persia: Warrior Within, and Prince of Persia: The Two Thrones.
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.