I wouldn't risk it. Check this out. https://bitcointalk.org/index.php?topic=1152950.msg12140799#msg12140799
Extra 10% off with a legal and mentioned method.
Nothing speciall about your booking as you want people to book through you, so it could mean the same risk as in this thread. Extra 10% off with a legal and mentioned method.
No my method is different. I don't know this user's method but mine is as legit as it gets.
Yes your method is different. It's called hijacking another thread
Still legal my friend