At A Premium
Synonyms Scarce, like gold dust, in short supply, few and far between, rare, in great demand, hard to come by, thin on the ground, not to be had, and rare/scarce as hen's teeth.
Example Sentences
Seats for the concert are at a premium.
Parking spaces downtown are at a premium.
Quality goods are often sold at a premium.
Time is valued at a premium today.