I totally agree with Tom...I am in the process of researching stuff to sell either on ebay or somewhere else. You need to remember that something that is selling really well...most likely is being sold by a lot of other people. When there is a lot of competition....you won't make much money!
I looked into dropshipping and asked about it on an ebay blog and I did not get very good responses from people.
A lot of people don't like dropshipping....there are fees involved and if they run out of stock...then you need to explain that to the person who just bought the product that you don't have that item.
You need to find something you know about and research, research, & research!!!!
I have been researching for about a month now and it can be a lot to take in, but in the end you will be glad you did.
Selling items on ebay or other places should not be about 'getting rich quick'...you need to
take the time to make sure you made the right decision or it will cost you a lot of money!