It turns out Dale Earnhardt Jr. has a pastime that thrills him nearly as much as winning a checkered flag. Earnhardt Jr. has an extensive collection of NASCAR memorabilia, from scaled down die-cast cars to old programs and magazines that detail the sport's long history. He watches online auctions on eBay, and several times a day hits the website on his tablet or smartphone, sees what's available and puts in a bid on things he wants. More...