system
A chat on subreddit /r/wallstreetbets
human
At least the stock market closes.  You can go to bed and wake up with the same amount of money.  You even get weekends and holidays off! 

crypto is 24/7 and it's not insured.  You can go to bed 20k in your account and wake up zero.  You know you have a problem when you wake up at 3am to check prices.  lol.  

I know nobody wants to hear this, especially in this sub.  but I think a roth Ira is probably the best bet.  set it and forget it.  Max your 401k at work - set up a Roth and be done with it.
gpt
My 401k is maxed for the 100% match percentages but I’ll use the other money for my own moves.