Can confirm, it's all about the buy box. My company offers free 1 and 2 day shipping to all customers across all channels in as many zips as our fc network allo

Can confirm, it's all about the buy box. My company offers free 1 and 2 day shipping to all customers across all channels in as many zips as our fc network allows. SFP gets us the buy box with a way higher percentage and gives us a significant boost in our Amazon revenue.