Under another topic I posted this info a couple weeks ago. To say that food is more expensive in Canada isn't necessarily true.
Here are some examples looking at a US grocery flyer and a couple flyers here in Moncton NB. A campground, power rates and a fridge.
These don't even take the exchange rate into consideration.
Shaws Bangor ME Haddock $7.99lb US
Atlantic Superstore Moncton NB Haddock $4.99lb CA
Shaws Bangor ME Ground beef $3.99lb US
Sobeys Moncton NB Ground beef $2.99lb CA
Timberland RV Park Trenton ME Full Hookup $51 US
Marcopolo RV Park Cavendish PE $47.50 CA
Shaws Bangor ME 8 oz cashews $5.99 US
Giant Tiger Moncton NB 8 oz cashews $2.97 CA
Central Maine Power $.1309 KWH US
NB Power $.1059 KWH CA
Home Depot Whirlpool 33" 22 C/F Fridge $1539 US
Husons Bay Whirplool 33" 22 C/F Fridge $1599 CA
Also just to add about the "free health care". That does not include prescription drugs and only includes hospital beds in wards. Semi-private or private rooms cost $$$.