When James and Johanna Windon launched Buena Papa two years ago, they had just $18 in their bank account. Now, they bring in millions of dollars in annual revenue across three North Carolina restaurant locations, they said on Friday's episode of ABC's "Shark Tank" — during which they landed a $400,000 investment offer from millionaire entrepreneur Robert Herjavec. Despite no prior restaurant experience, the pair "invested our life savings [of] $40,000," leaving just $18 behind, James said. Mark Cuban opted out, citing the difficulty of simultaneously operating restaurant locations and overseeing any number of franchisees. That left Robert Herjavec, who offered the Windons $400,000 for 20% of Buena Papa.

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Persons: James, Johanna Windon, Robert Herjavec, Johanna, we're, bootstrapping, They'd, haven't, Mark Cuban, Kevin O'Leary, Barbara Corcoran, Lori Greiner, Corcoran, Herjavec Organizations: Buena Papa, Colombian, Buena, CNBC, Global Locations: Carolina, Buena Papa —, Mexican, Puerto Rican, Raleigh, Colombia, Miami, French, Buena Papa, Raleigh , North Carolina, United States