You don't go anywhere, mate )) You find a person who takes care of it for you. How do you find it? Believe it or not, there are FB groups where people share info.
If you live far from Mexican border, you can plan a trip once every 6 months. With that being said, if one is employed, then no need to worry about it.
And then you risk dying from fake or tainted insulin. You buy medication in black market, you suffer the consequences of black market. Again, circle back to the same point : You are unhappy with broken ER in Canada but you are fine with buying medication from black market.
The reason I am doing this is simple : Tease out what makes US better in your opinion. I can agree with job opportunities surely, with taxes and what not, I can get behind the idea that housing is cheaper in US, I can also agree that US is more fun if you are single and ready to mingle but if you tell me that US medical system is that much better? I will say you are wrong.
Oh and if I hear it correctly, US ER system can get really messy as well in terms of wait time. Death is not unheard of.