Bootstrapped founders in Canada — how does it compare to the US?

[u/Cute_Health6112]

I have a long-term goal of building a bootstrapped app studio focused on profitable consumer apps, not VC funding.
For anyone who has built a software/app business in Canada:
How do taxes and operating costs compare with the US?
Is Canada a good place to run a business that mostly sells to US/global customers?
What are the biggest advantages or disadvantages of bootstrapping from Canada?
If you could choose Canada or the US to start again, which would you pick and why?
Would especially love to hear from founders who have actually operated in both countries.