Safeway has YoCrunch Yopa! Greek yogurt cups on sale this week for $1.00 each. Facebook is offering a $0.50 coupon when you “like” the Yopa! page. Want an even better deal? Send the coupon to three people and receive a high-value $1.00 coupon. This will make the yogurt completely free! The $0.50 coupon is also a great value!