While Canada has no explicit exception to the minumum wage law, the minimum wage in Canada is still laughable and is absolutely not survivable for how expensive living here is.

Though the solution here is not tipping, which ignores every other customer service and """unskilled""" labour worker that isn't in food service. It should be raising the minimum wage to a post inflation value that reflects current costs of living, and committing to continuously updating it so it stays even with inflation and rising costs in general (not unheard of, some European countries for example use a formula to calculate every year's minimum wage based on current inflation and cost of living). Actually, we shouldn't have a single national minimum wage but one depending on where you live so it reflects your actual survival expenses. Both Vancouver and Vanderhoof enjoy fast food and coffee shops but the employees in the former have a much harder time living in the city they work in than the latter despite doing the same work and making the same contribution to their fellow residents (or if nothing else, they do more work in a larger city with more people while not being able to afford the larger city).

And yeah, Subway's been doing that for a while, at least in the part of Canada I am.