The person that starts or expands there business now, will be ready for the new technologies that will be coming in the future. Being one of the first in your area with a new machine and product usually will only add to the success of your business. There's something about putting in your money, pushing a button or turning a dial, and getting something out of a machine, that keeps you coming back from the first time as a kid. People love vending machines, because they are intriguing, fun, entertaining, convenient, nostalgic, and spice up any business. To get a good feeling for the business probably takes at least 10 machines, but you can always start with just one.
Small machines take just minutes to service.
Wait until a machine is empty and service as many machines per hour as you can. Buying less expensive machines will allow you to have more locations and therefore a more secure income. Yes, it is important to have liability insurance and it may be a law in your state. You need this incase someone is injured in any way from the product or from the machine itself. It should only cost a few hundred dollars per year for your entire route to carry this insurance.