system
A chat on subreddit /r/wallstreetbets
human
That 'boost' has been shown to be limited to \~7%.   
  
 7% is your 'free lunch'.  Is that the 'free lunch' you had imagined?

gpt
7% over what time frame?  An additional 7% annually would be the textbook definition of a free lunch.  SPX + 7% return per year and I retire a multimillionaire by 50, no problem.