It is easy to start an internet business through launching small websites, blogs, forums and community portals.But it is evident that it takes time to generate enough targeted traffic to your website to start making money. So starting an internet business is not a quick solution for someone in urgent need of extra cash.
On the one hand the great advantage of starting an internet business is that you can continue building your business forever. Normally in any internet businees you will have your own domain name and website. You have full control over your business. The earning potential is unlimited but it is all going to depend on how much quality time you put in on a consistent basis. The sky is the limit and you could easily end up turning your extra online income into a full time income and be in a position to quit you day job and work at home online full time. For instance, Amit Agrawal, a famous technology blogger quitted his software job and now write articles for his blog, newspapers and magazines. And no doubt, he is one of the top technology bloggers of world.
We should never rely on one source of income as a job is never guaranteed and so we need to at least build a second source of income.So starting an online business is not a bad idea. 
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