In a Bitcoin-only environment, the first thing to understand is that 1000 SATs in one place is the same 1000 SATs in another place. Therefore the value of a product or service will depend on factors such as the time and resources invested in them, the availability of the service or product, the specialization required to obtain the product or to provide the service. The quality of the product or service.
But all the raw material, the machinery will have the same value. The cost sheet is made everywhere in the same way in principle.
Now for me something that will determine some differences is where the coins are concentrated, whoever owns coins will have advantages over those who do not. The first will be able to pay because they have the coins, those who do not have them would have to do a lot of PoW to obtain them since there will be no fiat money to buy. Only products and services