Best Buy offers the TracFone Bring Your Own Phone SIM Activation Kit, model no. TFMATKTP4C, for $1. (Target charges the same with in-store pickup) Opt for in-store pickup to dodge the $2.98 shipping fee. That's the lowest price we could find by $3. It contains GSM and CDMA dual and nano SIM cards, activation instructions, and a CDMA network access code to suit your needs.