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Lobster on wheels: Barbara Corcoran’s best deal

Is a food truck selling fresh lobster on the road to riches? Real estate mogul, Barbara Corcoran, says her best deal on "Shark Tank" is Cousins Maine Lobster. She invested $55,000 for a 15 percent stake in the company, which only had $150,000 in sales at the time. The company has now made $3.5 million since airing on "Shark Tank," and is expanding with new trucks, catering and online sales.

Catch each of the shark's best investments every Tuesday and Wednesday at 8p ET on CNBC, including

Tuesdays have more bite with back-to-back episodes of "Shark Tank" on CNBC every Tuesday night at 8 p.m. & 9 p.m. ET/PT.

Meet the Sharks

  • Mark is the highly successful entrepreneur and investor who founded HDNet, Broadcast.com and MicroSolutions.

  • Barbara Corcoran parlayed a $1,000 loan into a five-billion-dollar real estate business.

  • Lori Greiner started with one idea and turned it into a multi-million dollar international brand.