Scobe's Quick Tip #53
How long should a player stay at a losing machine before heading for another machine?
This is a personal choice, certainly, but no one likes losing their entire session stake at one machine.
So, divide your money in three; if you lose the first third, head for another machine. It won't change the programming of the machines, but it can make you feel some renewed hope.
For more information on slots, read Break the One-Armed Bandits! By Frank Scoblete, The Slot Machine Answer Book by John Grochowski, and The Slot Expert's Guide to Playing Slots by John Robison.
Scobe's Quick Tip #54
Some games are strictly luck such as roulette and the big wheel; some games are a combination of luck and skill, such as blackjack and video poker.
In games where skill is a component, how much you win or lose is entirely up to the nature of the decisions you make in the long run.
For more information read Guerrilla Gambling by Frank Scoblete.