- Travel, while you are young and unattached and can get by on student rates or stay at hostels.
- Get involved in causes that matter to you. You will never have this much energy, health this great, or this much disposable time, again in your life. Make the most of it. This is your best chance to make a difference in the world.
- Make a habit of following current events ...
In contrast to Robert Wagner's answer:
- Make friends as opposed to networking. Your friends will go a lot further than the professional contacts you make, especially since only one of the two groups is invested in your personal happiness.
very simple: identify what you need to save for and determine how much $ and over what period of time you need to save for those. then use your remaining income however you want.
retirement: max out your 401k ($17k for 2012), and possibly your IRA/Roth IRA ($5k) depending on how confident you are on your future earnings.
rent: $15k as you said... (more)