Sell Your Technology to SUU Campus Store. Trade-In & Trade-Up It's as easy as... 1. Check the Value https://suubookstore.poweron.com/ Selling your device is easy. Search by model or select a category to find your device, answer the product questions, and get the estimated value. 2. Visit the SUU Campus Store Bring the device you're selling into our store to complete the process. We will verify the model and condition of your device. 3. Get Paid! After verifying your device, we will issue prompt payment as a store gift card or in-store credit toward the purchase of new equipment.