After you've sold on eBay for a little while, you need to ask yourself what products you want to sell. Since you can buy and sell almost anything on eBay, there are thousands of options to choose from.
I was getting started on eBay just a little while ago, and I didn't know what to sell. How did I choose what types of products to sell? Let me explain. I'm a gadget geek. I usually know what's going to come out before it's released. I keep tabs on Apple and know when they are going to update their iPhones. This isn't work for me because I like to do this.
It's an easy step to go from my gadget hobby to finding gadgets to sell on eBay. In fact, some of the first items I sold on eBay were electronics related. I sold a Playstation 2, an old Gameboy, and some computer games. After running out of gadgets to sell, I found an electronics wholesaler and started selling webcams and other computer accessories. Today, we still sell the same types of items.
What are you interested in? What are your hobbies? Think about how you you can use your hobby to your advantage on eBay. Selling what you like will make your research and product buying a whole lot easier. Why? You'll spend a lot of time researching and talking to suppliers, but it won't seem like "work" to you. (And, as an added bonus, if you sell what you like, you'll always have the latest and greatest item you can use for yourself too.)
Now, if you're just getting started on eBay, you need to realize that nothing is fixed in stone. If you have no idea what you like or what you could sell on eBay, the main thing to do is get started. Choose a category that you think you can develop. You can always change later if you don't know for sure. The main goal is to get moving forward.
Think about an airplane taking off from an airport. Does it always take off in the exact direction that it will end up? No. Most planes take off not pointed in the direction they eventually want to go, but when they are in the air, the pilot can make course adjustments. This applies to your business as well. Don't worry if you take off in a different direction than you want to go. The main point when you're a beginner is to get off the ground, and you do this by selling whatever you can at first. Once you're in the air, then you can change the direction you're going.
The most important thing you can do as a beginner is to just get going. If you choose to travel in too many directions at once, you'll never get anywhere. Sell stuff around your house. Then once you've run out of stuff to sell, think about what you'd like to sell. Just choose something (maybe based on your hobbies) so you have a direction to move in.