Ugh, Don't bother
My mom goes to those things all the time, I keep trying to tell her how they infest your system with malware and junk mail and what not.
My mom did a stupid thing of giving her phone number on one of them and now we have salesmen calling her daily. We got rid of our homephones because of salespeople, we have 3 cells instead. And now theyre bugging her nonstop again. not even just at home, everywhere she goes.
You will never get anything for free, they just want your personal information so they can make a profit off of you somehow