When you operate a web-based business it is very easy to find that the costs start to outweigh the profit or that the time you put in is not being rewarded financially as well as you might have hoped. However, that does not necessarily mean that the site is a bad idea or one that is unprofitable, but merely that you may not be putting in the time that it truly needs to succeed or not operating it in the most focussed way.
Likewise, to become a profitable enterprise, your web business may also simply need far more money or resources put into it than you have at your disposal, and it can be very easy to find that you are simply unable to make it what it needs to be to really see success.
However, there may be other people out there who have all the online acumen necessary and the relevant resources to transform your site into a very thriving and profitable enterprise, and there will be people well versed in buying and selling websites who will search online for very workable ideas, purchase them and then sell them on once the company is a very productive one.
If you have found that you do not have the means at your disposal to make your sites work in the way that they should, putting up your web sites for sale may help you to make far more money than you would by actually trying to run the sites yourself. Finding sites that specialise in helping people who are buying and selling websites will give you all you need to potentially earn a good deal of money from the site you have built and to in turn finally turn all that hard work into a decent profit.
So it not only web designers who can put up web sites for sale, but also web owners who realise that their site is worth far more than they have the means to make it.