First, do you really need the product that are you ordering? If you are really wanting a vaporizer, make sure it is the right type of vaporizer. You might need to read up on it to make sure it is the right one. Next, you need to find an online store that will sell the type that you are looking for. If you are unsure about which brand to go with, go to a review site to see which brand out there is best for you. Next, with the brand name in mind, go find some online stores that sell them and then compare the prices. Do not forget to consider shipping and handling fees when you are calculating this.