You can buy and sell almost anything and everything on eBay, there are restrictions though when you look at all the categories it is hard to find something that is not listed, with sales increasing year to year on eBay and sales now over 13 billion dollars last year. Millions of people visit the site everyday looking for a bargain or a that hard to find item, its no wonder people are quitting there day jobs and going into business for themselves and using the tools eBay provides to earn a living, getting started is easy and you are led through the process starting with registration with the site and you are going to need a credit card and a checking account in order to do this, next you need a unique sign-on and business name as well, when selling on eBay one of the tricks to learn is the rating system and if you want to be a successful seller you must not get saddled with a bad rating in the beginning as this will effect your chance's of making a living selling on eBay, so first lesson list your item correctly so you give the customer what they bid on also after sales are so important, post the item as soon as you receive payment, leave feedback for your customer making sure they do the same for you. Start off slowly by selling things out of your basement or garage starting with small items that are easy to package and post, being careful to check these costs before you list your item, when you have nothing to sell go round your neighborhood visiting yard sales, shops closing down looking for items that you could sell, use eBay to research what is selling, what people want and try and find a niche which you have knowledge about or try drop-shipping with.