Hello! I use different platforms for my eBusiness projects, they are all good. Usually, I use services like http://www.webstarts.com or http://www.wix.com I prefer using them to create my new projects. Also, I like to use WordPress platform, especially if I use pre-made templates. Good luck!
Electronic commerce or ecommerce is a term for any type of business, or commercial transaction, that involves the transfer of information across the Internet. It covers a range of different types of businesses, from consumer based retail sites, through auction or music sites, to business exchanges trading goods and services between corporations. It is currently one of the most important aspects of the Internet to emerge.
You might start by going through this guide which gives you a general comparison and if i may ask what are you planning to sell? Have you thought about creating a pitch deck and looking for investors to fund the site for you? My advice as someone who has been there for a long time is to spend time doing research and get your plan together thoroughly before you start. Jumping right in as a newcomer isn't easy, and you won't make sales without working for it, especially as a dropshipper because as a dropshipper, you are battling hundreds or perhaps thousands of others with the same products and the same idea. If you are planning to experiment it, save some money for a few months and start it when you have the budget to pay for a good platform.