...
Building Auctions are Realm Specific.
Auctions are first-price sealed-bid auctions.
Highest Bid Wins
Bids are Hidden
Auctions last for 24 hours.
Minimum bid is scrap value of the building (see encyclopedia).
A 20% fee is deducted from winning bid at the end of the auction.
It costs Sim Boosts to add more than one building to be auctioned at a time (It is free to send one (1) building to auction). It costs fifteen (15) Sim Boosts for the second building sent to auction, and thirty (30) Sim Boosts for each additional building sent to Auction.
...
Buyer
Buyers can bid on any number of Buildings.
Buyers do not need an empty building slot to bid or win an auction.
Bid(s) are resolved when auction ends. Bids can be taken down at any time during the auction.
Bid(s) are disqualified if there is not enough money at the end of the auction.
All information will be provided on each Building up for auction. (Level, Type, Rating, Seating, Abundance, Robots, and Minimum Bid.)
Buyers can purchase Similar Auction information on past auctions for 10 Sim Boosts. The purchase lasts 24 hours and is per building type (buying Similar Auction for restaurants means you have the information shown for recent restaurant auctions).
...