Top Shelf has excellent shipping rates, but what is TSAXPRESS exactly? TSAXPRESS is a shipping option applied to any dry goods cart with a value of $49 or more. Dry goods carts with a value of $49 or more, free ground shipping will be applied. Dry goods cart orders $399 or more ship OVERNIGHT FREE. If you have an emergency or just can not wait for your equipment to get to your door, Top Shelf Aquatic’s offers overnight shipping just for you!