What to investigate before you hit the ground running in a new country
This is a very handy guide ! We have seen all of the issues you mentioned as we go from country to countryZ
It seems to me that you might be missing localized tax incentives. For instance Canada has very compelling R&D tax credit scheme that can result in up to a 50% refund for certain types of employees.
One thing I did not anticipate while reading...a line from Benny the Butcher! (Fan as well)