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- Matt Higgins, cofounder of RSE Ventures, has had a successful career, despite a tough upbringing.
- Higgins' new book, "Burn the Boats," urges people to forego the backup plan to fulfill their goals.
- Higgins says entrepreneurs need to embrace the motivation and focus that anxiety catalyzes.
Side hustlers and would-be entrepreneurs will often have a backup plan to their dreams, just in case things don't work out.
But that safety net might be preventing them from achieving their full potential, according to a book by Matt Higgins, an investor and guest shark on "Shark Tank."