Tubular locks are fast, discreet, and easy to pick. You need a specialized tool, but when you do opening the lock is almost as easy as just using the key.
And that's assuming your vending machine isn't using some standard key you can just outright buy on ebay.
That’s true of 70-80% of tubular locks, but there are higher quality tubular locks that are designed with the standard tubular impressioning tool in mind, and on which it does not work.
And that's assuming your vending machine isn't using some standard key you can just outright buy on ebay.