Soda vending machines come in all shapes and sizes but the most common style are the stand-alone full sized machines.Soda vending machines have lots of capacity. Even my old one that I paid too much for had a capacity of over 500 cans with 7 total selections. That's a lot of soda which also means that it could be possible that you don't have to visit a location too often if you are looking to vending as a part-time business.The large capacity of these machines coupled with reasonable product cos.