Excert from Monopoly tips and tricks...
Know how to conduct yourself as a player (This is the most important principle of all)
Present yourself as the type of player others won't mind losing to.
Most players don't like losing to:
- careless players
- inconsiderate players
Most players don't mind losing to opponents who are...
Why is this so important? MONOPOLY usually cannot be won without gaining the cooperation of players in trades and financial settlements. If you don't have a reasonable rapport with your opponents, you'll have a tough time making beneficial trades. i.e. get their trust then shaft them.
Thanks to brainsluice for reminding me about how much I love Monopoly.