"I don't understand why anyone would sign up for a 450 minute plan."
I always use less than 450 minutes a month and have accumulated over 3000 rollover minutes with AT&T in case I ever use more. I guess I'm not popular enough to worry about that.
"I also don't know why mobile companies don't automatically switch customers to the plan that would have been cheapest in a given month before sending the bill."
I think there's a company that used to do that, or still does that. I remember seeing ads for it.
I always use less than 450 minutes a month and have accumulated over 3000 rollover minutes with AT&T in case I ever use more. I guess I'm not popular enough to worry about that.
"I also don't know why mobile companies don't automatically switch customers to the plan that would have been cheapest in a given month before sending the bill."
I think there's a company that used to do that, or still does that. I remember seeing ads for it.