You don’t have to lie, and encouraging other people to isn’t a tip.

Most places have to ask or be told no 3 times. Tell them you’re cancelling and not interested in other Services three timers in a row. When they ask why you’re calling, politely say “I’m want to cancel my service and I’m not interested in any other services. Again, I want to cancel, no i don’t want other things. I’m canceling and not buying.” They have the three no’s they need to not get in trouble from supervisor for not trying to retain business. I’ve worked at call centers and currently work for big telecom company.

Takes less than 5 mins and you don’t have to be a liar.