: People on bought lists haven't consented to your brand, leading to high "STOP" rates.

: Unsolicited messages can make your business look like a spammer. Better Ways to Grow a List

Buying a customer list is generally because it often violates privacy laws like the TCPA and leads to poor engagement. Instead, building an organic list through "opt-ins" ensures your audience actually wants to hear from you. Why You Should Not Buy Lists