The most important part of purchasing gold online is to ensure that you are dealing with an honest and reputable dealer. You should also have a general knowledge of gold. Understanding the prices, forms and measurements will help you immensely.
The first step you should make in determining your purchase is to know which form of gold you are planning to purchase. Knowing the type, be it bars or coins as well as the quantity you are planning to purchase will make your transaction go easier.
The next step is to figure out how much you are willing to spend on your transaction and then figure in the cost of shipping, tax, and insurance.
To ensure that you are dealing with an upstanding dealer you should keep in mind a few things. Never go with a dealer who has a generic email or no stated policies when referring to shipping and tracking. The most important piece though is the site's online security. Never buy from an online dealer if you don't see the security lock at the top of the website. If you cannot trust the dealer site, you should be advised against making the purchase.
Most dealers will have all the information you are looking for in plain sight on their website. Most upstanding dealers will also have physical stores that you can visit.
In summary, be sure to brush up on your gold knowledge, know the purchase you are planning to make along with the extra costs and finally, find a reputable dealer that you are comfortable buying from.