There are many things worth knowing about slot machines, but all of these bodies of knowledge need to be based on the basics. The most basic thing that you need to know about slot machines, regardless of whether you play free slots or paid slots, is that slot machines are always going to be in the favor of the house. It is impossible to find a slot machine that is not in favor of the house and what that means quite simply is that over the course of the long run, the house will win all of your money if you keep playing at the slot machine. Because of this, successful players of slot machines aim to win big in the short term and then exit with their winnings as quickly as possible.
Before you do that however, you need to decide what type of slot machine you will play. In this choice you can pick between conventional slot machines and video slot machines, as well as picking whether your particular slot machines will have a progressive jackpot attached. You also need to pick between online and offline slot machines, with each type having its own inherent plusses and minuses. One point that is worth noting about online slot machines however is that some online slot machines at the same time are also free slots. This means that you can try them out before you start risking your money and that is something that is ultimately good for everyone involved.
More so than anything else however, the best way to learn about slot machines is to play slot machines! This is not a discipline where you can hope to learn well by just reading. Rather, you should attempt to learn by doing and with many free slots available online, getting online and playing a slot machine is a matter of just a few minutes worth of work.