All natural things end.
Because everything in our world eventually ends, we should beware of things that appear too unnatural -- too good to be true.
"Do this one thing like me and you can get 5000 leads per month."
"Your contract doesn't allow you to book gigs independently of me for 2 years."
"Our terms and conditions say you have to fill this form in triplicate in order to get a specialist on the line with you to talk about your desire to end your subscription..."
I still remember that one customer, years ago, that launched expletives at a decibel level that dogs can’t even understand when they heard what sounded like that last bullet point.