We don't tend to think about this, but arcade machines don't just appear in arcades out of thin air. The arcade owner has to actually buy the machines. They cost loads; a brand new Mario & Sonic at the Winter Olympics unit will set you back around £13,000. Think about how many coins will need to go in the slot for the arcade owner to break even. At least 13,000!
One way in which arcade machine manufacturers attempt to sell their hardware to arcade owners is via the use of promotional flyers. They've become something of an art form in and of themselves, though frequently... they're of dubious quality.
Here are ten random examples, which have been dissected needlessly.