Canadian shipping across border

Residents returning to Canada:

After 24 hr absence...C$50
--No Tobacco and Liquor

After 48 hr absence...C$400
Tobacco...200 Cigarettes and 50 Cigars and 200g of loose Tobacco.
Liquor....1.14L of spirits, 1.5L of wine,or 24 bottles or cans of beer.(8.5L)

After 7 days absence...C$750
Tobacco...200 Cigarettes and 50 Cigars and 200g of Tobacco
Liquor....1.14 litres of liquor or 1.5 litres of wine.

I say But for myself I have never been charged tax for purchase under $100.00 (no booze or Cigs of coarse) and then returning in a few hours.