human
What are the pros and cons of a 401k plan?
assistant
Pros:
1. Tax-advantaged growth potential 
2. Contribution limits based on income level 
3. Portability of funds to other jobs or retirement accounts 
4. Easily accessible savings option for retirement planning 

Cons:
1. Lower returns than other investments 
2. Limited investment options due to pre-set contribution limits 
3. Higher fees associated with investing in mutual funds