If you are looking at Internet Businesses for sale because you believe they are an instant and easy way to make extra money working from home there may be other things you want to consider before making the final decision to invest in one.Legitimate Internet Business opportunities certainly do provide a mechanism for earning a full time income online, or simply making extra money working from home, but this article suggests some factors you may want to consider.It can be expensive.If you are looking at Internet businesses for sale you are more than likely going to be interested in purchasing a successful business. In order to acquire such a business you may well have to pay a premium for it (bear in mind that someone else has already done all the work for you) that could represent (say) 5 or 6 times the value of the annual earnings of that business. This can represent a significant up-front investment, from $5000 to $200,000 plus, depending on the scale of business you are looking to purchase. After all, no one is going to give away a successful business.Why not start your own Internet business?Rather than looking at Internet Businesses for sale why not start your own? If the prospect of doing this (if you are a newcomer to Internet Marketing, or fairly inexperienced) fills you with horror, understand that it is just a process that you need to learn you and once you have learned it you can build business after business – and earn a six figure income online in a relatively short period of time.Additionally, every dollar you create from day one is yours – you don’t need to see 2 or 3 years of profits to recoup the initial investment you make if you go down the Internet Businesses for sale route.It may not work!Today many Internet businesses for sale come in the form of a turnkey Internet Marketing system, often known as a business in a box. In exchange for your initial investment, which can range from a few hundred to several thousand dollars, you get access to pre-built websites and a ready-made marketing system that you simply need to personalise for yourself.While there are many legitimate home business opportunities of this type available there is also a similar amount that simply do not work and some that are just complete scams.The only way to make sure you do not fall prey to these opportunities is to make sure you undertake sufficient research before you make any investment.In summary I would say this. Looking at Internet Businesses for sale and investing in one is certainly one strategy for making money online.However, taking into account that starting an Internet business is much simpler today than (say) 10 years ago (e.g. fewer technical skills needed to build websites), it may well be that this represents a better option for some people.