Through 3-4-20 Get $300 for for activating a new line of service with port-in and bringing your own device from Verizon or AT&T. Max 2 two $300 Costco Cash Card's per Wireless Account. Cash Cards issued within 14 Weeks after activation and submittal of rebate form.
The offer is not on the Costco/Wireless Advocates Website, but it was given to me at the kiosk and was told this is a national offer. The rebate paperwork I was given/submitted confirmed the above.
This is one of the more generous switch offers I've seen recently for BYOD, only higher offer I can recall was during the Black Friday Shopping Period when $350 was being offered to switch. The only higher offer in recent Happy deal hunting.