$110 of Stamps (100 x $1.10) for $99 Delivered.
Stack with:
Discounted Gift Cards and/or $3 Bonus Cashback on $100+ Gift Cards @ ShopBack (Activation Required).
eBay: $5 Bonus Cashback (Minimum Spend $50) @ ShopBack (App Activation Required) - Code may void bonus.
If you purchase a $100 gift card at 3% cashback + $3 Bonus, you will be out of pocket for $94, with $1 left over in your eBay account. Not including the $5 bonus which may or may not be approved.
Darn it, just bought 2 $1.10 stamps. Could E bought this and had 98 stamps extra!