http://onstartups.com/tabid/3339/bid/24525/14-Reasons-Why-You-Need-To-Start-A-Startup.aspx

includes the following:

"It used to be a very old boys club or dark art, when it came to entrepreneurship. It used to cost a ton of money to go to seminars and buy books full of snake oil. It still exists, but people are starting to learn better."

Which books, seminars, training, blogs, etc. are "full of snake oil" based on your experience with startups?