Running a casino can be a pain, especially if you have to call the maintenance guy to come repair all your slots. When they break, you lose money each minute, but you can save the time and save the money by repairing the broken slot machine yourself. One of the easiest slot repairs is changing a light bulb. Most light bulbs inside slot machines are fluorescent. Just keep some in stock and follow the instructions in this video to learn how to replace the burnt lightbulbs in your casino's slots.