High cost creates a barrier to entry. And it can often be an intentional one. See luxury goods as an example. Almost all luxury items are sold at insane profit margins and cost nowhere near that much to make. But the high price is the differentiator itself. Is a Gucci branded article of clothing that much better? No of course not. The value is indirectly signally to others you have the money to afford gucci. Poors not allowed. Other things can have their access limited by price in similar ways. Raising the price is a very effective way of keeping the poors out. Its not always intentional. But many times it can be.
