If they stop buying, the supplier takes a dramatic financial hit. When items purchased are standard If all items in a market are similar or standardized, it allows a buyer to feel confident in doing business with other suppliers. Suppliers need to lower prices to keep consumers coming to them. When the buyer faces few switching Costs If a buyer faces little to no costs to switch to another supplier, there is no reason to stop them from switching if a supplier is offering a product for cheaper. Buyers can roam the market looking for the best deal.
Suppliers on the other hand may have large switching costs making it hard to change markets. When buyers can backward integrate A buyer may not need to buy from a supplier if they can acquire items from inside the business. An example could be a bakery that requires wheat to make bread. They would backwards integrate by buying a farm with a wheat processor and no longer having the need to buy wheat from a supplier. When buyers product quality doesn’t matter Buyers will be price sensitive if the products they are producing do not require great quality. The buyer will go to whoever is the cheapest.