"It really is good advice, but it makes no sense to you until you start to see success," she says. "At the beginning, you'll work hours and hours on an image, just to get it accepted, and it might only sell once a month. And they're like, 'Oh, forget it, move on to the next one.' And you're thinking, 'I can't let go! I know this is just an orange on a white background, but I can't let go!'"