I've bought TCG loot without any trouble, but I don't know if I ever dealt with this particular seller. Loot codes are safer than buying some items off eBay, you know exactly what you're getting, you won't be fooled by a photo like if you're buying a piece of furniture. You just need to weigh the risk and decide whether or not to take the plunge. At least with eBay you have all this feedback to check, most of the time when you walk into a store irl you don't bother to check with the better business bureau or look at online reviews first.
eBay allows you to see feedback 6 ways from Sunday. So here's chrisandron2005's feedback page -http://feedback.ebay.com/ws/eBayISAPI.d ... llFeedback
In addition to the positive and negative comments, I look at the overall number of sells. If someone has only sold a few items, I tend to stay away, no matter how positive those comments. With 35937 positive feedback, certainly this can't be "a scam" but not necessarily perfect. This is good though, only 9 negative ratings for a whole year. It sounds like more than one person works the account, that might explain why some replies are more polite than others. Many of the neutrals and negatives from the past year sound resolved, people who didn't get the item got refunds (the others may have been resolved, too, you can't always tell from the feedback). You can click the numbers in the feedback table to see those actual comments, like you can click the "5" under negative comments in the past six months, to see those 5 comments.
Another tip with eBay, always check the shipping price! Some sellers put the bid really low, but put more than necessary for the shipping and make the profit there. I've bought some loot codes where they are willing to just email the code and charge no shipping at all, but most loot sellers insist on sending the actual card. So be sure to read all the terms for the item.