An Instacart founder shares his sneaker test for entrepreneurs

An Instacart founder shares his sneaker test for entrepreneurs

Max Mullen is the cofounder of Instacart.Sam Barnes/Sportsfile via Getty ImagesInstacart cofounder Max Mullen said dirty sneakers can be a sign of dedication in founders.Mullen said a founder's shoes can show their commitment to their startup."Real builders," Mullen said, "don't have time to buy nice sneakers."A quick fit check can tell Max Mullen much of what he needs to know about a founder.The Instacart cofounder — also a prominent seed inves…