Walmart has Slim-Fast 30-Day Supply: 6 Boxes Meal Bars, 5 Boxes Snack Bars & 8 Boxes Shakes from $74.98. Here is the breakdown you get 30 meal bars, 32 shakes and 30 snack bars! Head on over here to take advantage of this great deal! Don’t forget Walmart takes Paypal so you can take your survey earnings and get this deal possibly free or really cheep!