One seller wasted 3 hours of his customer's time and gas money… Why? Who knows, people are awful, especially those selling on Marketplace. The customer, who we'll call OP, took to Reddit to complain about his terrible experience. Basically, OP had seen a small van for a reasonable price online, and wanted to buy it in order to convert it. They reached out to the seller, telling them they were interested in buying the van and would like to come see it. All seemed to be going well, as the seller…