focus on made in canada with canadian ingredients/components where possible. The majority of the money is therefore staying in Canada even if the ownership & thus profits are from somewhere else. Profits from most goods outside tech are usually much much smaller than the cost.

As momentum builds it will become better known who are 100%, or approaching, local. It will also benefit the companies who are local to advertise it loudly, so those who are silent can be assumed to not be.

It's never going to be 100%, there will always be some things you can't get elsewhere but consciously avoiding makes a difference.

Foreign tourist inflows to the US are now down 25 to 75% for example. Just because some are still going doesnt mean they haven't noticed