Red Lobster decided to make its "All you can eat Shrimp" a permanent menu item. Turns out it cost them dearly. It was designed as a promotional loss leader, whi

Red Lobster decided to make its "All you can eat Shrimp" a permanent menu item. Turns out it cost them dearly. It was designed as a promotional loss leader, which doesn't work full time. They eventually had to creep the price up from $20 to $25.