What are you talking about. The vast majority of companies use just in time stocking. If you sell x amount of a product that is when you order x amount of each

What are you talking about. The vast majority of companies use just in time stocking. If you sell x amount of a product that is when you order x amount of each item on the BOM. It has been this way for decades for manufacturing in the usa. There are tax and other liabilities when keeping more than required stocks on hand.