Vacation to Alberta from toronto...need info!!

Hi ladies,

Good day! I am planning to visit alberta with my hubby and 14months old son in this summer. I now live in toronto.

This is our first trip outside ontario.Earlier visited Niagara..!!
Recently saw few pictures of alberta when browsing...Alberta is simply mind blowing..!!! I cant wait anymore to visit this lovely place.

But quite worried about the expense and my LO..is it a safe to take my son? Ofcoz..i cant leave him behind... but..is it safe?
Eagerly awaiting all ur inputs on this....

Pls help me to get the following info:
1) Bus or train travel..which is cheap and best? duration of travel in bus or train?
2)How about air travel for one way n the other by bus or train?
3)Hw much would be the hotel rent for a couple per night?
4) How much would be the total estimated cost for the whole travel to alberta(including travel, food n stay)? Is one week sufficient to visit alberta?

am sure many of u wud have visited this lovely place...pls share ur experience:help


Cheers,
Mini