Overnight delivery is available when time is 'at a premium'. [=when something needs to happen or be done very soon]
Customers are willing to pay 'premium' [='high'] prices for products that are reliable.
Publishers 'put/place a premium' on accuracy. [=publishers value accuracy very highly]
(..) That's all right. I got money. It's a real monster. It will stop a car at yards. Put a round right through the engine block. Here you go. It's a premium, high-resale weapon. Look at that. That's a beauty. I could sell this gun to some jungle bunny in Harlem for $. But I deal high quality goods (..)1976 Taxi Driver