Walgreens has Starbucks Iced Coffee 11oz for $1.99 each or $3 when you buy 2. There is also a $1/1 Starbucks iced coffee coupon. You can pick up Starbucks Iced Coffee for free after coupon and Ibotta Rebate at Walgreens.
Here is how:
Buy (1) Starbucks Iced Coffee 11oz $1.99
Use the $1/1 Starbucks iced coffee coupon
Get $1 cash back via Ibotta app for purchasing Starbucks coffee
FREE after coupon and Ibotta