Would not have one at all except for emergencies... :)
Went without for years, didn't have to worry about minutes, an extra bill to pay, roaming, battery, interupted conversations, have a hard line, and I do return messages, except for sales calls and political ads. If service on any thing gets frustrating call back, as much as needed, and try to be nice to who ever I get, Have no doubt someone knows the anwser, just have to find who. :)