You're right. Luck vs skill. In most all gambling exercises it basically comes down to luck. Even the world top level poker players where they are all skilled, if you don't get the cards, kapoot. And slots, we all know every player loses, yet sometimes .. two days ago i put $20 in and decided for fun to instead of starting 10 cents, 20 cents, 30 cent bets have a go with a dollar. 2nd push six free games (which are sometimes good, most times ordinary) and bingo, 5min later took $130 out. Right machine, right time. Luck.