Haunted houses (HH) are big business. I calculated once, based on the supposed attendance of a local HH, that a typical attraction could rake in about $400,000 a season. Good HHs sell tickets for $20-30 these days too, so perhaps my number is a little low.
I tried to talk my engineering friends into building one, but they were scared to try. Pun intended.
In 2012, 2.2 million people pledged $319 million to kick-start more than 18,000 of its projects on Kickstarter.com. Here's a look at some of the most inspired ideas from the ultimate crowdfunding platform.