Many newcomers to ecommerce will first want to start out with an ecommerce business.
If they check the operations of a few wholesalers and drop shippers, but after expenses the profit margin is not that high.
There is a lot of competition selling on the web. It seems that the people that are doing well got into the business a few years back.
It is advisable to search for products which are not already listed on eBay or other big online websites. Also use dropshipping services which do not charge an upfront fee.