Trade-in grading basics (A/B/C) explained for dealers: what each grade usually means, what issues automatically drop value (cracks, screen damage, water indicators, camera lens marks, locks, IMEI problems), and a simple inspection + documentation checklist to prevent disputes. Includes copy/paste scripts to set expectations and avoid “you changed my grade” arguments.

MVNO vs major carrier explained in simple terms: major carriers own the network, MVNOs rent access and often cost less. Learn the real differences customers feel (priority during congestion, roaming, hotspot/video rules, support/financing) plus a fast dealer checklist and copy/paste scripts to recommend the right option without confusion.

Explain streaming add-ons clearly: what’s included vs billed, how activation works, and how to cancel. Scripts + checklist included.