As an FYI, when I bought a NET10 BYOP SIM recently, I wanted to know what the real total charges would be. NET10 "Unlimited" service is $50 a month via an airtime card, but $45 a month if you sign up for auto refill, matching Straight Talk. The total bill I got for the first month, with taxes, in California, was $45.95. I assume other states may have slightly different net total amounts, and encourage others to post their total bill here.