Saw this news and thought I would share. Navionics is offering a rebate on old cards to get a new one. Here are more details. Even though it says USD, the offer is still valid for Canada.

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Get up to $ 75 USD back when you buy a new Navionics or Garmin card and trade in an old one.

The choice is yours

Switch to Navionics or Garmin. You can participate to the program even if you own a card from C-MAP, Fishing Hot Spots, LakeMaster, Lowrance Insight, Magellan or TrakMaps. Check GPS plotter compatibility.

Link to more info: https://www.navionics.com/usa/lp/rebate