When online sports gambling started in the US they were offering $500-$1000 of free bets to sign up. Very tempting to sign up, even though I don't gamble anymore than about once a decade, but I decided whoever did that offer was probably smarter than me about who would win out in the end. I've been around the block long enough to know you never take an 'easy profit' deal from someone who is in the business of making…
I collected a few grand back then, however those sort of promotions are now illegal where I live.