Don't forget to factor your age into the equation. The more years you have left to invest and/or earn more, the less you really need. And don't forget to think

Don't forget to factor your age into the equation. The more years you have left to invest and/or earn more, the less you really need. And don't forget to think about your skill with money too. The younger you are, the longer time you will have to avoid wasting away your fortune. If you are smart with money then you will need less than someone who is not.