“Shark Tank’s” Kevin O’Leary Says He Spends This Much On Food Every Day Kevin O’Leary is known from his role as a shark on Shark Tank. After this, he’ll also be known for his expensive taste in food.In an interview with CNBC, O’Leary claims he spends almost $1000 a day on food.He said that as a businessman, he takes a lot of people out to eat and prefers to pick up the tab.O’Leary also likes to eat healthier, which costs more. He also doesn’t mind a good bottle of wine. That always adds some weight to the bill. How much do you spend each week on food? Break it down to what you make at home and what you spend eating out.