I'm glad my post helped! Congratulations with you PR!
For future readers. Coutts is the best one in Alberta because everything in one building. Other places have customs in separate buildings and you need physically drive a mile or so between them.
I'm not the person you asked but as far as I understood IRCC does this on purpose. To make sure that mail address is real and family live together. This happens with families of three and more. My suggestion is make a call.
You can't change a job. It's really important to continue to work. If you will change a job, you will need immediately notify your province office that issued your nominee letter. Maybe they will give you a new.