Walmart currently has many Ozark Trail Bags on clearance. YMMV based on availability. Here are some that I spotted, but there are more.
Ozark Trail 45L Montpelier Ad Pack, Hydration Compatible for $29.93 (was $49.97)
Ozark Trail 60L Premium Dry Duffel Bag for $29.99 (was $49.99)
Ozark Trail 25L Roll Top Backpack for $19.65 (was $30)
Ozark Trail 40L Crestone Backpack with Large Main Compartment for $24.53 (was $38.76)
Ozark Trail 30L Dry Waterproof Bag Duffel with Shoulder Strap for $18.97 (was $28.19)
Enjoy!