wow useless content. Content creation is not for everyone. Doesn't mean it makes you happy you all have the right to do it. Imagine a murderer being happy in killing people. If you get it, you get it.
Hello! I run an LGS and sell almost all cards as singles (and keep some for commander deck upgrades). I would say profit margins is on average around 20 percent of my capital. For some reason, outlaws of thunder junction is more profitable for me than MH3, most likely because sealed MH3 is much more expensive. I am able to profit because: 1. I am able to sell at high preorder prices and buy at retailer prices, and 2. I am able to sell bulk rares, commons and uncommon, not just the hot cards