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

by Jason Calacanis

After you’ve met with a dozen angel investors, it’s time for you to start looking for “proprietary deal flow,” which is to say, deal flow that is yours—not the public stuff on AngelList, on FundersClub, or at Y Combinator’s demo day.