This is a test of commonsense with single/multi-choices. Complete the next sentence:

How to start a cheap candy machine business
Find a vending machine.
It's difficult to find new machines at low prices, so look for used machines. Put an ad on craigslist.

[i] Any time you find an empty machine, hand it to a coworker and say something like, " i'm trying to sell an empty machine at a high price. Can i have this machine? " Get the group off the street. [ii] Check the classified section of your local paper, craigslist and ebay to find a used machine at a low price. It's best to start with a double or triple vending machine to offer more variety and get more sales. [iii] Get your business name on the company's website. Include your mailing address and a brief description of your product. [iv] Craigslist will have large ads, and you may find some great deals! Get the right equipment. Online vending machines is completely free, but consult your city to find a reliable, inexpensive one.
The answer is:
[ii]