Thus, it may make sense to look at co-mailing as a way to improve your presort. Like Periodicals, flats automation rates increase at a greater percentage than other rate categories. Dropship discounts increase by more than what the USPS proposed, thereby creating greater reward for dropshipping and creating other opportunities. Pound rates decrease slightly, but not by as much as the USPS proposed. Lightweight, non-carrier route mail realizes the greatest increases.
Heavier mail sees lower increases.