A:AnswerWhy do that when you could buy it we then you're ready to use it? I am not sure if it is a good idea to buy it and keep it that long. However, you will have an account for the amount plus tax.
A:AnswerIt is for 1 month of data. if you use all 10gb of hotspot before your month is over, you just won't have any more hotspot data left unless you buy more.
A:AnswerNo. I was unable to use this when I stayed on the Canadian side of Niagara Fall. Thankfully I spent most of my time on the US side during my stay.