I bought a lot of internet marketing stuff and most of it (about 90%) wasn’t of any use to me. Some products are just sitting there on my computer and will probably never be used. Among the sea of bad or useless products there were also some that I actually found to be of use. The best money I spent was on TKA (The Keyword Academy). I learned the basics there and expanded my view. There are others but this is what helped me the most. What about you? What would you recommend that was actually of any use to you?