Angel: How to Invest in Technology Startups—Timeless Advice from an Angel Investor Who Turned $100,000 into $100,000,000

by Jason Calacanis

Independent films, restaurants, bars, bed-and-breakfasts, consulting firms, clothing lines, and microbreweries are—with very rare exceptions—the businesses that, no matter how hard you and the founders work on them, will not scale.

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