Do you know where I can order previous releases of Shojo Beat magazine for a discounted price?

I'm wanting to order a bunch of the magazines that were released a while back, but the only place I've found with them in stock is the Viz store and they want the original price for them. I find it ridiculous to have to pay full price for a magazine that was released a year ago. I tried ebay and they were mostly more expensive than buying them from the store. I'm more than willing to purchase them used as well, if that helps. Thanks for any information you can give!