I like to play with money when I’m high

But seriously, I think they give you more probability per turn and it pays off higher the more money you use. I usually use higher money on slots to get the higher payoffs

Here is a site that has all kinds of information on casino slots, land and online. It has tips, advice and articles on bonus rounds, payback percentages, deposit methods, etc..

Playing low denomination slots with max bets and lines is the best bet. The machines tell you that and it happens to be true.