Yup, and if you have too much inventory, you can either remove it or sell it at a discount, both are expensive options.
Otherwise you'll get Amazon telling you, "Hey buddy! You sure are using up a bunch space and not selling much. Why don't you not do that? We're limiting the amount of storage space you can use for Q3.
Otherwise you'll get Amazon telling you, "Hey buddy! You sure are using up a bunch space and not selling much. Why don't you not do that? We're limiting the amount of storage space you can use for Q3.