Order a Second System for 50% Off The ZQuiet Comfort System comes with two mouthpieces so you can find the one that fits most comfortably. If you're married, have a friend who's also interested in the system or just want another set to use while traveling, you can order a second system at 50% off when you place your initial order. Wait for the $10 off Pop-up If you wait a little while before placing your order, you'll be presented with a pop-up offer for an additional $10 off your first order. This brings the cost of the ZQuiet System to $69.95, and you still qualify for 50% off your second unit. Get Discounts via the Newsletter An easy way to score valuable ZQuiet coupon codes is to join the company's email newsletter. You'll also receive tips on how to sleep better and news about savings opportunities such as sales. Take Advantage of the Trial Program If you're not sure whether the ZQuiet System will work to cure your snoring, take advantage of the product's 30-day trial. You'll only pay $9.95 for shipping and handling, and then you'll have 30 days to try out the mouthpieces. If you aren't satisfied with the results, request an RMA prior to the end of the 30-day trial, and you won't be charged for the product. Find Deals on Social Media Browse ZQuiet's social media pages on Facebook and Twitter to learn about more ways to save. The store often posts ZQuiet coupons and news about upcoming sales and offers. Save on Refills Like toothbrushes, ZQuiet mouthpieces need to be replaced regularly. Because you'll receive two mouthpieces (one in each size) with your initial order, you can purchase refills in your preferred size. While you can order one refill at a 50% discount, the best value comes from ordering every 3 or 4 months, when you'll enjoy savings of up to 60% off. Always Free Shipping on Refills While you'll have to pay shipping on your initial order of the ZQuiet System (unless there's a ZQuiet promo code for free shipping or a sitewide offer), shipping on refills is always free. You'll see free shipping applied when you check out.