That's what I get for posting at 5 in the morning lol, I meant knowing the washer rule to avoid taxation. Of course if you don't know about phantom write offs you're just wasting your time and effort...
Or you can open a marginal account, learn how to short sale, use the washer rule to avoid taxation, trade bonds to make money on the spread, and like the OP says a roth IRA (tax free millionaire).
...
My Investments professor started off this semester by telling us the two people you need to watch out for if you want to be successful, the IRS and an ex spouse.