If i found a $100 I WOULD NOT KEEP IT!!!!!!!!!!!!!!! Because  thats not nice if  it was yours how would you feel if someone kep it? If you were at a local store and found a $100 i would go to the front desk and ask to talk to the maneger and i would talk to the manager about what i found and that its a decent wad of cash and convinece them to let me look on the survalince cameras and see who dropped it and look at the isle i found it on because thats respecting others properties to