B2B Auctions: How Online Trade Auctions Work for Buyers and Sellers

How business auctions work, when they make sense, and how to bid without overpaying.

When auctions make sense

Auctions suit surplus stock, bulk lots and time-sensitive inventory, where the market sets a fair price faster than negotiation.

How bidding works on Prebro

Sellers list a lot with a start price and end time. Buyers place bids on the auctions page; some lots use sealed bids that stay hidden until the auction ends. You can also set a maximum (proxy) bid and let the system bid for you up to that limit.

Bidding tips

For sellers

Clear photos, exact quantities and realistic start prices attract more bidders.

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