Both SKUs must have set the BuyBox strategy. Then the FBA product will optimize for the BuyBox and the FBM product will match the FBA product. If the FBA product is sold out, the FBM product is optimized for the BuyBox until the FBA product is back in stock.
Important: FBA & FBM Prime offers may not be combined.
Important: No more than 2 offers in the same condition (FBA & FBM) may be used.