Texas Tech University junior Daniel Vitiello is pulling in more than $25,000 per month off other people’s pain in the tech. Vitiello, a self-described “household handyman,” founded an iPhone repair business in July 2010 after a friend dropped her device and begged him to fix it. He checked local shops’ prices and charged less, advertising on Craigslist because it was free. Within a couple of weeks he was fixing five to 10 phones a day, at a profit of about $40 per phone.

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