>>Alberta has a huge income from oil revenues. There is no sales tax in Alberta, and their income and property taxes are lower than most other places in Canada. They can afford it.
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>I do not think that what you said is quite correct, there are no provincial sales tax in Alberta (PST), but you still need to pay 5% for the federal sales tax (GST 5% Canada-wide), AFAIU

Yes, ok. What I was getting at is that there is no sales tax in Alberta that the province benefits from. Alberta does not get the benefit of the GST, the feds get that.