We really should not complain. Our rates have not gone up since I don't remember when. The US rates seem to go up every 6 months. And our service is so much better than what seems to be reported from our friends south of the border.
It is still best to explore the best way to ship. Depending on how it is packaged, the difference in postage can be substantial. This applies o both sides of the border. And "Gifts" under $60 Canadian coming to us are tax / duty free. Exaggerating the value of our cards for who knows what reason can incur more cost for the receiver than is worthwhile.
Bruno
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Check my Profile page to see my 2023 Goals and my Lists of sets near completion (5 cards or less) or sets getting close (less than 100 cards missing and 75% complete).
https://www.tcdb.com/Forum.cfm/Page/B/ID/0/?MODE=VIEW&ThreadID=25745&C=0