Sometimes, you don’t have time to waste. That’s true for Kenneth Brosier, a University of Pittsburgh sophomore. His schedule is packed with his 16-credit course load, three-hour track and field practices five days a week, studying and other college activities. The time crunch means eating balanced meals at his apartment sometimes isn’t an option, and Brosier, 19, wouldn’t be opposed to paying for deliveries of snacks. Read more about the new-to-Pittsburgh delivery service on upgruv.com . “Because sometimes you don’t want to eat real food, and you don’t feel like leaving,” the Willingboro, N.J., native said. Brosier is part of the target demographic — college students and millennials — for the services of goPuff, an on-demand convenience store delivery service expanding into Pittsburgh and Columbus on Wednesday. Tory N. Parrish is a writer for upgruv. Email Newsletters TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox.