Since Hayoung Park moved to Manhattan last year, he estimates he has taken in more than $400 of free cookies-and-cream ice cream, laundry detergent and other groceries delivered to his door, all courtesy of a wave of rapid-delivery grocery startups offering generous referral and discount codes.
“I have not paid for toilet paper, paper towels, dish soap or hand soap,” said the 23-year-old founder of a small online-auction startup. He said for most orders, his only costs are generally tip and tax. “As a consumer, I think it’s fantastic.”