Amazon makes its own AmazonBasics luggage, because ... well... Amazon makes everything now, and several sets and individual bags are deeply discounted today.
For starters, $54 gets you a 24" hardshell spinner. Additionally, you’ll find packing cubes, duffel bags, backpacks, etc. Basically everything you’d want to stuff your crap into is on sale today, for about 20% off. Check out all the options here.