The payouts on most HHR slots can vary from 0.10% – 3%. This may seem like a no-brainer, but many people don’t bother checking their machines’ payout percentages. However, if you know what to look for and how to play your cards (or slots), you can make some serious bank in no time. Just like any other game of chance, the house always has a little bit of an edge. If you’re looking to win at HHR slot machines, you need to be aware of the odds. In this article, we’ll give you some tips on how to beat HR slot machines so that you can start cashing in your winnings! Know the Odds Source: They’re exciting, easy to use, and provide a lot of potential wins. HR slot machines are one of the most popular gambling machines, and for good reason.