Almost every vending company in Australia advertises their machines as "free" - but how does that actually work? After 35+ years in the industry, we break down the honest answer: who pays for what, how operators make their money, what foot traffic you need, and the warning signs of a supplier who'll cause you headaches. If you're considering a vending machine for your workplace, school, or club, here's what you need to know before you sign anything.