Bass Tournament isn’t really a lottery. You aren’t given a ticket and told you might or might not win some money back on it.
It is more akin to poker or any card game. You pay into the pot to play in the game (in this case fishing) and the winner is determined by who can fish out (literally in this case) the best (biggest) hand (fish).
The only benefit here is that you can draw in as many fish as you want (as long as you don’t keep ‘em all, I imagine.