If you haven't heard of Spyfu yet here it is...SpyFu is a awesome keyword spy tool. With the Spyfu keyword tool you can find out how much your competitors are spending on their PPC campaigns & how much money you can get from your websites with Advertising revenue networks. So, if you want to find out how much your Niche is worth watch this video & check out this tool, especially if you use pay per click advertising.
