What is Tying?
Tying is the sale of one product conditional upon the purchase of another.
At a wholesale level, tying occurs if a supplier agrees to sell one product to a distributor on condition that the distributor purchases all of its all of its requirements of a separate product from the supplier.
What is Bundling?
Bundling is the sale of two products as a packaged discount. The buyer is typically free to purchase one product separately, but at a higher price.
At a wholesale level, bundling occurs when a supplier offers a discount to a distributor for purchasing its requirements of two separate products together.