When used correctly, PPC can be highly efficient. Since you only pay when people click and you can target people looking for specific terms, it can be an excellent means of bringing people to your site. Even more importantly, PPC ads have been shown in some studies to even boost visibility and clicks, particularly if your organic result starts to slip further down the page. This can help improve brand reach and maintain a strong reputation.
Lynn, you have one of the best sites for affiliate marketing that I've ever seen. Just read your interview with Rosalind Gardner and found some interesting nuggets. Marketers should note the intuitive and spontaneous way you approached a niche and keywords. This is usually where "paralysis analysis" begins … some spend weeks with keyword and research tools until there is no "creative energy" left to build the site.
Getting seen by people who are interested in your niche or brand helps you boost your brand’s visibility. Which indirectly affects the amount of business you get. Even if a lot of people are not immediately clicking on your ads, they may search for your product in the future. Either way, the paid ads will help immensely in terms of getting in front of your target audience and filtering out anyone who is not a part of it.
Website saturation and popularity, or how much presence a website has on search engines, can be analyzed through the number of pages of the site that are indexed by search engines (saturation) and how many backlinks the site has (popularity). It requires pages to contain keywords people are looking for and ensure that they rank high enough in search engine rankings. Most search engines include some form of link popularity in their ranking algorithms. The following are major tools measuring various aspects of saturation and link popularity: Link Popularity, Top 10 Google Analysis, and Marketleap's Link Popularity and Search Engine Saturation.
Though a long break is never suggested, there are times that money can be shifted and put towards other resources for a short time. A good example would be an online retailer. In the couple of weeks leading up to the Christmas holidays, you are unlikely to get more organic placement than you already have. Besides, the window of opportunity for shipping gifts to arrive before Christmas is ending, and you are heading into a slow season.