David Holston, 18, of Idaho, recently plowed snow with his pickup truck in Seattle and earned some major cash.According to KHQ-TV, Holston said he made $35,000 after about a week of plowing there while he was visiting his mother, who was staying in Seattle after a surgery.He was able to charge $750 an hour plowing parking areas for everything from apartment complexes to businesses, as the region was unprepared for heavy snowfall, NPR affiliate KUOW-FM reported.He posted a Craigslist ad for his services.KHQ-TV reported he didn’t plan to make that much money but will invest some of it in his landscaping and snow removal company and save the rest for when he buys his first home.