A game where you win once today and lose many times what you won the previous day, and yet you continue accepting that it's all part of the game – those are true gamblers who are out and ready to gamble. If you are not a risk taker, you are thoroughly not ready to start gambling. The best way to gamble is to accept that you have lost the money you stake on a game the moment you click to place a bet.
Gambling itself already implies risk. How can you play and not take risks? It's simply impossible. But don't you need to increase the bet to hit the jackpot? You won't be able to win a lot of money if the bet is minimal. For example, spinning slots at the minimum. What will come of it? Total disappointment and nothing more. Still, sometimes you should take a significant risk that can be justified.