Believe the onset of a certain random event is less likely to happen following an event or series of events.
Anchor thoughts to a reference point even though it may have no logical relevance to the decision at hand.
Separate money into different accounts based on subjective criteria.
Value gains and losses differently.
Investments should be categorized as risky and safe.
Money is fungible.
Saving is always the best use of funds.
"found" money should never be saved.