[most of the time, gamblers losing value is much higher than what they can take from the house, not a big fan of high risk bets as it needed a deeper bankroll to keep moving forward and continue chasing your luck, and you are correct only a very lucky individual can win from that multiplier having only a single bet, you really have a high resistance taking that strategy knowing that your chances is too small.
Take every opportunity to enjoy your cash out.
I prefer the first persons method, you go big and you go all in and either you end up winning or losing, if you win big then just withdraw your money and never look back. Of course that is for money purposes, normally to have fun I personally prefer playing little by little.
Going big and all in is a very high risk move and not something many people including myself prefer even though it is basically a high risk, high reward scenario. This is something not advisable.
It is possible to earn constant profits in the long run which many professional accomplished gamblers have pulled off successfully and continue to do so, but experience and a lot of luck are necessary factors to accomplish this.