Classifieds is a good way to sell your products, as Syiok dotCom is providing this service for free, you could actually sell a product at a lower cost. You do not put in rent, electricity, or any other overhead you will encounter having a shop/office. All you need is some electricity, internet connection and a computer as a cost of starting a business.
Suitable item to be sold online currently includes, books, CDs, Games, Handphone, Used Phone, mp3 Players and small electronics item. Slowly, when people could accept the fact about shopping online, you could even sell houses and cars without buyer having to come to your exact location.