Lime had a great special on the last week of November, under $11 ($999j) for phone, SIM and $100j in minutes. Got it at their counter in Mega Mart. You don't need to purchase international minutes, it's only about 3 cents per minute to US or Canada. Used under $300j in minutes for the week, called home 4-5 times and several local calls & texts.

Lime's SIM stays active as long as you top up within 6 months of the expiry of your remaining minutes - someone posted recently that their SIM was still good almost a year between trips. You can top up online for as little as $5. Great deal!