Hey Scottie - the CNF prefers Explorer to work properly. I've never had problems getting in.
As for tax, I started charging it from the start. The forms to do you GST / PST are really, really easy to do. I opted for quarterly so it wasn't too big an amount of money.
As for tax, I started charging it from the start. The forms to do you GST / PST are really, really easy to do. I opted for quarterly so it wasn't too big an amount of money.