Feb 28, 2021 This post contains references to products from one or more of our advertisers. We may receive compensation when you click on links to those products. Terms apply to the offers listed on this page. For an explanation of our Advertising Policy, visit this page. It seemed like not paying for that checked bag was a good idea in theory… until you actually began packing. Your sunblock is more than 3 ounces, you can’t bring all of your cute sandals and your jacket takes up over half of your carry-on. If you’ve been affected by packing anxiety, especially when flying low-cost, you’re not alone. The stress of squeezing everything into one small bag without going over weight and size requirements is enough to put a damper on travel, not to mention the other stressors that go along with flying low-cost, like long lines, limited personal space and unhelpful staff.