Boost Mobile $40 SIM for $20, plus $10 cash back, total cost is $10.
If you are not a go Cash Back user, you can sign up for another $5 bonus. So $5 for a $40 Boost Sim.
Terms:
Cashback is eligible on purchase of a SIM, and not on recharge.
Cashback is eligible for new customers.
Cashback should not be more than 50% of the total cost of SIM card (including during sales period).
Coupon codes obtained from sites other than GoCashBack.com may void cash back.
Bulk/Reseller orders are not eligible for cash back.
Orders made with gift cards may not be eligible for cash back.
Orders made from mobile or mobile app may not be eligible for cash back.
All cash back is at the merchant's discretion.
Good deal, but should price is $20 + $10 cashback