Prioritize FBA is designed specifically to help you selling through your FBA inventory before your MFN stock for the same product, helping you avoid Amazon storage fees and manage your inventory more effectively.
With the FBA Priority feature, you can:
You can find this option under the Amazon settings of your strategy.

Open any Amazon listing, and you can now see exactly what you make on it. The new Profit Calculator is a tab inside the Listing Control Panel that shows your profit, margin, and ROI, and lets you change the price and cost to see how they move.