Paid review business is now increasingly popular, this is one alternative that promises to get money from the internet. The increasing popularity of this business makes a lot of people are interested to dive, so it starts unequal number of bloggers who are monetizing the blog than the number of advertisers who are interested in the promotion through this pathway.
It also makes not everyone can taste the sweetness of this business, because of competition from other bloggers, or maybe one strategy in building a new power to attract advertisers from the blog under its management. Patience to build this blog into one of the major constraints.
Once the construction feels pretty successful blog, start building even more with the same development system were deemed able to attract advertisers. Make money blogging would be difficult to develop if only relying on one or two blogs.
Don't depend on a review of existing programs, out there a lot advertiser a much more promising results we can get. Also don't focus just for a paid blog reviews, use also to play with Text-link, or PPC can be run according to the rules of review program.