I recently completely overhauled my shipping system, and the difference in daily productivity was immediately noticeable. The main problem is that manual order picking breaks down once the volume exceeds about fifty orders per day. In this case, it's more practical to consider automated order fulfillment rather than simply hiring additional staff. A comparison of software by key categories depending on store type can be found here
https://easync.io/articles/best-order-fulfillment-software-for-ecommerce-dropshipping/ The real benefit lies not only in speed but also in reducing errors, as incorrect shipments cost more in returns than the time saved.