because for at least 60 days.... and 20 call time minutes, ebay and paypal can call you and you might be able thwart a limitation. 1 of my phones is down to 35 days. makes me wonder what im gonna do when it runs out. i take the phones most everywhere i go, even to work
You can always add minutes, by buying prepaid tracfone cards of ebay with your stealth account. They usually just email you the code.
They have been selling them at my BL for a year or two for $5-8 depending on the style.
The last time I set one up the 3-digit prefix was the same as AT&T carriers use which must make the phone look less like a disposable