The sale is supposed to last until the end of today September 15th. Usually, that would be until midnight Pacific time.
Suggest trying through the link on the officials Star Trek website to follow through to Steam: https://store.steampowered.com/sale/StarTrekDaySale
We picked up 3 copies of Resurgence the evening of the 14th from Canada.
This seems to be a non sequitur. OP is asking about where to live not where to find employment.
There are visas under the free trade agreement with the US and Mexico that enable movement of employees between the three countries. These have been in place since the 1990s.