Sam's Club offers its members a $100 P.F. Chang's Gift Card (2 x $50) for $74.88 with free shipping. (Non-members will pay $7.48 more.) That's the lowest total price we could find by $21.

Also available is a $50 Uno Chicago Grill Gift Card (2 x $25) for $39.98 with free shipping. (Non-members will pay $3.99 more.) That's $10 off and the lowest total price we could find.