You didn’t. There’s NO such thing, and you’re fine. You cannot “sell” what you don’t “own”.
It’s basically a metaphor for making a bad deal. Usually in the music industry. People just love thier drama.
Preaching gets you banned on this forum 
but we’re mostly all level headed occultists here not religious zealots that believe dogma just because someone else wearing a dress told us to.
Experience is where it’s at on here.
These are the same thing. Suffering is prolonged pain over time. And hell is bullshit notion anyway. It was invented by the church to keep people in line, and is a scam. Try the search on here for “is hell real” and you’ll see some ideas on that. Maybe check out the book The History of Hell though - when you know your history you can’t be fooled by people making up shit about it.