Joining the slot club will give you additional rewards for all of your play so it is well worthwhile since you would be playing anyway. Setting a budget is a crucial step as you should only ever gamble with money you can afford to lose. You should also expect that even with the best possible pay tables you will not win on every session you play - that's why it's called gambling.
In the early 1970s, when video poker was introduced and was still struggling for acceptance, the machines were usually referred to as "poker slots." And video poker has a lot in common with slot machines. They are easy to use, requiring no interaction with a dealer or with other players. Card combinations, like slot reels, are governed by a random-number generator.
The play is simple: You're dealt five cards. You decide which ones to keep by tapping the pictures on the screen or pressing buttons on the console. Then you hit the DRAW button and you get replacement cards for the cards you didn't keep. You win if you wind up with a traditional poker hand like two pair, straight, flush, etc. (We'll explain these below for those new to poker.) The amount you win per hand depends on the paytable of the machine you're playing. Here's a sample paytable.