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DemoDemonstration site. Every lot, price, bid, bidder and result on this site is fictional. No real inventory is offered and no real bid can be placed.

Field notes

Notes from the floor

Four things worth knowing before you bid, written by the people who run the sales. No listicles, no "top ten auction hacks" — just the mechanics and the arithmetic that decide whether a lot was a good buy.

The arithmetic of a buyer’s premium — illustration. Demo photography.

The arithmetic of a buyer’s premium

Why the number on the board is never the number you pay, how premium and sales tax compound, and how to work backwards to a maximum bid that fits your budget.