Use 'bank on' when you're absolutely sure about relying on someone or something.

Expectation Assurance

Often used to express confidence in a person's support or actions.

Person Support

Remember, 'bank on' expresses belief, not certainty. Unexpected outcomes can happen.

Use when your plans depend on a future event or outcome you consider likely.

Using 'bank on' conveys optimism towards an expected positive outcome.

Despite the word 'bank', it’s not related to financial institutions but to confidence.