So during Monopoly, my sister decided not to buy a property and it was auctioned. My brother had no more than $300 and I had around $700. He kept raising the bid even though he couldn't pay and I didn't know since he wasn't showing his money.

He backed out after he made me raise my bid to $550, despite him only having $300, and I lost a lot more money than I had to because he tricked me. Is that legal? It doesn't explicitly say in the rules that you can't trick players by bidding more than you have but it feels illegal to me.

(Edited for clarity)


2 Answers 2


You may bid more money than you have in cash, but this is very risky because you are obligated to pay it if you win the auction. This may be a reasonable play if you can afford it by mortgaging property and/or selling houses, especially to drive up the price for your opponent. But be careful not to bid more than you can pay after mortgages and sales, as if you win the auction and can't pay your bid, you go bankrupt. In particular, if you bid more than you can afford, you opponents can all just let you win the bid, at which point you go bankrupt and the property you just bought would go up for auction again (in addition to all your other properties).

Whether or not a player is allowed to hide their money is a separate question: Is the amount of money each player has in Monopoly public knowledge?

Source: excerpt of my own answer to a related question

  • While the rules don't say it I think it is fair to say you can't bid more then it is possible to pay just to cause others to pay more
    – Joe W
    May 10 at 1:27
  • 2
    @JoeW you can but if you win the bid you lose the game
    – Jungkook
    May 10 at 9:45
  • 2
    @JoeW Of course it's fair. The risk is that you win the auction and go bankrupt. If the other players have a good ballpark idea of how much wealth you have, bidding more than you can pay is a very risky strategy, but there's nothing "unfair" about it.
    – Kyralessa
    Jun 5 at 12:05
  • 1
    In the question, it appears the issue wasn't so much the player overbidding as the player hiding his money instead of displaying it on the table. In official Monopoly tournaments this is not allowed. There's nothing unfair about bidding up an auction beyond what you can paid, but there does seem to be something unfair about hiding one's money unless everyone agrees to it at the outset.
    – Kyralessa
    Jun 5 at 17:07
  • 1
    "My brother had no more than $300 and I had around $700. He kept raising the bid even though he couldn't pay and I didn't know since he wasn't showing his money."
    – Kyralessa
    Jun 5 at 17:36

The rules do not say anything about bidding more then you can afford however I think it would be fair to say you can only bid what you can pay. That being said there is also nothing saying you can't sell houses/hotels or mortgage property in order to pay for your winning bid.

In situations like this I think a simple solution would be to require everyone to show how they will pay for their bid when making it. It can either be the needed cash or what will be sold/mortgaged in order to pay for it.


If you do not wish to buy the property, the Banker sells it at auction to the highest bidder. The buyer pays the Bank the amount of the bid in cash and receives the Title Deed card for that property. Any player, including the one who declined the option to buy it at the printed price, may bid. Bidding may start at any price.

  • Can people explain what is wrong with this answer?
    – Joe W
    May 11 at 19:48
  • This answer advocates a house rule. In general, house rules are frowned on in Monopoly because they tend to make the game last much, much longer than normal. Even if this particular house rule doesn't cause that problem, you're pushing for what you vaguely feel is "fair" even though there's nothing in the actual rules forbidding overbidding. But more importantly, the actual question that was asked was whether bidding more than you can possibly pay is legal, and to that, the answer is yes.
    – Kyralessa
    Jun 5 at 17:11
  • @Kyralessa The rules don't cover overbidding on purpose and I would question that asking people to only bid what they can afford making the game last longer. I would also question the idea that many people purposely overbid to try and make people bid more as I have never seen it happen or even though about it until now. Also if you look at my answer history for monopoly you will see I have plenty of answers on house rules making a game take longer.
    – Joe W
    Jun 5 at 17:34

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