you guys do think and worry about too much. the simplest mouse: 5 bucks; earphone: 5 bucks, but 15-20 bucks if it's from Sony; simple hairdryer, 12 bucks.
The time and brain cells you use to think, priceless(just kidding, it's style of Mastercard's commercial).
充电电池需不需带到加拿大? 在加拿大能不能买到电池充电器? 听说普通电池在加很贵?