If you are looking for more money making ideas then here comes InLinks service where you can sell links on your blogs within the content, and from what the company claims they are not easily detectable but we cannot be sure about this.

In this service the advertisers link are actually embedded into the blog posts which makes it hard to track down unless your advertiser is already known to google for buying links. You can sell links on posts of your blog with any page rank because advertisers now look for any links, rather than just high page rank links.

It looks like a open marketplace where you can signup for free and get access to all the available link locations and buy your desired incontent links.

In order to get free 99$ worth of in-links you need to enter this coupon ‘100free’ on this page and get 99$ worth free backlinks, well this offer is not going to stay for long because its just a launch offer, so signup asap.