No, I haven't ever won a huge amount on gambling because my luck isn't good at all. Actually I don't bet big amount because I don't want to lose my money. I invest as much as I can lose. If anyone wants to win huge amount on gambling then he also has to lose a huge amount right?
It still depend. There are some gamblers who will lose huge amount first before winning huge amount too but still there are some gamblers are winning without losing a huge amount of money.
Its a good sign that you don't bet too much because as you said, luck isn't at your side most of the times. There are gamblers who are still gambling their money until the last centavo hoping that they will win and will be lucky. Just don't invest too much on gambling to prevent getting stressed into it

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The only thing that is certain is everyone has their losing and winning moment but we all want to win more than losing more for us to be profitable.
Also, only few of the gamblers who really treat gambling seriously that they allocate a certain amount as a bankroll, most of us gamble with money that we can lose for the entire session and if we loss, we just find ways to allocate money again for our next session.
Every gamblers wish to win like me so if we say huge amount, that should be really huge that would satisfy us and that would give us some break for a while.