i had a BS in Mech. Engr.
never formally studied investing.
retired at 45, 10 years ago.
basics: find something you are good at. work hard. save some of each paycheck - the more the better. max out any retirement accounts, 401k, IRA, Roth IRA (some years, i dumped money in all 3), save other money in a taxable account. avoid stupid debt. getting a mortgage for a house is ok (don't get more house than you can afford), everything else - pay cash.
if i didn't have the money in my pocket or in my checking account, it didn't get spent.
wash, rinse, repeat for 20 or more years.
now i can do pretty much what i want every day.
that concludes your free lesson in finance. go apply it.