Stuff as much as you can in 401k so you don't pay taxes on it. probably some kind of index fund. Don't put the 401k in your companies stock. When/if you have k

Stuff as much as you can in 401k so you don't pay taxes on it. probably some kind of index fund. Don't put the 401k in your companies stock. When/if you have kids your ability to save will diminish immensely.