I am quite certain that if you take them to work, you will be able to find some people that would be willing to pay what you did for them including the shipping.
If you are going to get rid of them, as with any tech stuff, don’t wait. Right now, they are in short supply, and you may be able to get more than you paid for them.
Not that I am recommending selling on ebay, but I just looked and someone sold 26 units @ $39.95/each with free shipping. I don’t know what eBay’s commission is, and with the hassle of packing and shipping in a short period of time, I would rather just sell to someone at work for what I paid, but that’s me.