I thought it was 10 days notice that Shaw wants. You should only have to pay for the 10 days, not an entire month. It may be a good idea to cancel Shaw right after the Telus install just incase something goes wrong with your install date. That will give you 10 days to compare the two.
The advantage to having Telus cancel your account with Shaw is not having to get transferred around all of their retention departments if you don't want to hear what they will give you to stay now that you are leaving.
The advantage to having Telus cancel your account with Shaw is not having to get transferred around all of their retention departments if you don't want to hear what they will give you to stay now that you are leaving.