YSK: once your contract is up with your internet/tv/cellphone/security system provider, call in and say you want the cancelation department. Only renegotiate pricing with them
from /r/YouShouldKnow
YSK：一旦你与你的互联网/电视/手机/安全系统供应商的合同到期，打电话说你想取消部门。只有与他们重新协商价格