There are two really high value coupons for SK Energy. One is a Buy One get One Free om SK ENERGY SHOTS and the other is a $1.50 off ON ONE (1) BOTTLE OF SK Energy. They don’t sell these at Walmart but according to their Website they are sold at CVS, GNC Stores and Timewise (Shell Stations). I don’t use enrgy shots or drinks very often but they came in very handy on our road trip to California.