More like all on 6 numbers. But the real answer was leverage. It would be hard to lose even 50% in a cash account.It's actually pretty easy...options. With enough leverage, it's possible to lose just about any amount of money in a matter of hours or minutes. Same as going to Vegas and putting it all on red.
To the rest, that's all I do is add to winners and losers. Buy low sell high. Buy any dip add to my longs, sell any rally add to my shorts, regardless of where I got in or my average price.