You are stingy with material things and have a real problem sharing with others. You see to yourself first and put your own materialistic winning ahead of others. Every time you must share something of greater value with others you must succeed on a DC 6 check on this trait to consider sharing it with them. If people know you, the trait may also affect social interactions if you are doing any kind of negotiations. Ideally, your party should largely be exempt from your greed to ease cooperation and party cohesion.