One argument for saving more is that it could allow you to have a higher risk tolerance, since you could afford to lose some of the money. If you planned to donate any excess savings after some time, this could increase the expected value of your donations. I wrote about this here: http://effective-altruism.com/ea/rz/increasing_risk_tolerance_by_growing_your/
One argument for saving more is that it could allow you to have a higher risk tolerance, since you could afford to lose some of the money. If you planned to donate any excess savings after some time, this could increase the expected value of your donations. I wrote about this here: http://effective-altruism.com/ea/rz/increasing_risk_tolerance_by_growing_your/
Let me know if you have any questions about this.