There is a reason that everyone loves to be able to go and play the slot machines. This is because they are clean and mindless fun for you and your friends to be able to enjoy when you are arriving at or staying in Vegas. The only thing that could be better about a slot machine is if it did not cost anything to play them.
In some cases you are able to finds these types of slot machines online, however many people tend to get upset because they feel as though they should receive compensation for winning.
Here is one would need to think, that if I did not do anything to the machine, why would I think the machine would be willing to do anything for me. So, keep in mind that if you are playing slot machines for free, you will receive payment in the form of stress relief and fun, but you will not receive money.