Ever wonder how a sweet treat could turn into a business nightmare? Mark Cuban still cringes over a "Shark Tank" deal where free shipping on $30 chocolate pretzels ended up costing the company money on every sale. The founder’s heart was in the right place, but shipping costs ate all the profits. Lesson: before you offer free shipping, double-check your math—or your cash might melt away faster than chocolate in July. #Business #EntrepreneurshipStartup #SharkTank