For newbies I tell them you should not speculate, decide not to buy starbucks for a week, whatever that amount is that's what you should start your investment in right, and then learn.
I think students these days now no longer compete to see who can work the hardest because that kind of used to be a thing back in my day when I was in my youth.
Point being, there's a reason that you have to do all of internal medicine for three years and then an additional one or two years in hematology just to understand how complicated this is.