Mapping products for every marketplace you sell on, but in general, it's more about managing the flurry of different processes and systems all running at the same time but not working together in a reliable, synchronized way...like synchronizing inventory quantities from each marketplace to avoid overselling and having a good shipping process to never miss orders, cut down on hours/minutes spent shipping, getting the best rate and avoiding errors and negative customer reviews.
The lack of reliable reporting, never knowing where you are financially Or what your most/least profitable sellers are.
Double, triple or even quadruple entries of the same information that takes more time.
Eliminate mistakes in inventory and accounting
Optimize your order management, accounting, inventory, and shipping
Follow best practices in ecommerce operations
Grow your business efficiently across channels