If you know the exact results (like Biff in Back to the Future), winning things like lotteries or horse race results multiple times will draw attention.
Actually, any kind of money hoarding - moreso than anyone else - will draw the attention. Which might be OK, of course, but if you make waves that are too big, you'll affect global policy and the course of (economic) history, and all your predictions may be off.
But, getting significant but non-controlling stakes in various successful stocks might work. You'd be like Warren Buffet, who I consider to be rich, but otherwise anonymous.
I actually loved the side-plot in "About Time" where the main character went back in time and changed something and then they had a different child and then had to undo their change.
Actually, any kind of money hoarding - moreso than anyone else - will draw the attention. Which might be OK, of course, but if you make waves that are too big, you'll affect global policy and the course of (economic) history, and all your predictions may be off.
But, getting significant but non-controlling stakes in various successful stocks might work. You'd be like Warren Buffet, who I consider to be rich, but otherwise anonymous.