The Web Money Game

haha - im from the uk thank you "skilled" - ok lets make it simple for you:

register 10 sites

put code hidden within them with clues leading to the next site and code

post the original ad on gumtr**ee or CL

eventually they come to the end site which will tell them to sign up at some social network site and search for a certain username

they then email the whole code back to you - and win if they are the first

so you make money out of loads of people signing up to the end site

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ok even simpler

treasure hunt on 10 sites collect the codes which lead them to a pay per sign up site.

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I think its rather brilliant but i would stick to about 3 to 5 sites as some people are lazy and wouldn't want to go through all that hassle.

i was thinking whether they would get annoyed with the amount of pages - what you could do is have a alert website where they sign up into a opt in email list so they are alerted 24 hours before it starts - and that will give you time to spam classified ad sites to death so you get as many opted in as possible.

Nice method, very original. The only thing I can think of that may make this method not that viable:
1) People are lazy on the internet. Even for 100 euro.
2) How do they know you have 100 euro? Only if you have an established member base would this work solidly.
3) If the people are smart enough to solve the puzzle, they may realize they're being lead on a red herring.