Replying to Trans Canada Trip Cost?

My friend and I are going on a road trip from Ottawa to Vancouver next summer and I would like to know how much the trip usually costs.

Here's our plan:

Day 1
Ottawa - Toronto

Day 2
Toronto - Sudbury via 400

Day 3
Sudbury - Sault Ste. Marie via Trans-Canada HWY ON 17

Day 4 & 5
Sault Ste. Marie - Thunder Bay via HWY ON 17 N (706 km in total)

Day 6
Thunder Bay - Quetico National Park via TCH 17 to 11 (205 km, only 2.5 hrs)
Hike and hang around the national park

Day 7
Quetico NP - Winnipeg via HWY 17

Day 8 Rest in Winnipeg & Recharge
Day 9
Winnipeg, MB - Moose Jaw, SK via Trans-Canada HWY 1

Day 10
Moose Jaw, SK - Medicine Hat, AB via Trans-Canada HWY 1

Day 11
Medicine Hat, AB - Calgary, AB via Trans-Canada HWY 1

Day 12
Rest and recharge in Calgary

Day 13
Calgary - Canmore (the town near Banff, but cheaper hotels) via Trans-Canada HWY 1

Day 14
Enjoy Banff
Horseback ride
Gondola

Day 15
Canmore - Lake Louise via Trans-Canada HWY 1

Day 16
Lake Louise - Mt. Revelstoke (just to get there) via Trans-Canada HWY 1
Enjoy Glacier National Park

Day 17
Revelstoke - Kamloops via Trans-Canada HWY 1

Day 18
Kamloops - Vancouver

Day 19
Vancouver fun

Day 20
Leave for Toronto/Ottawa (by flight)

We are planning on renting a car and flying back. How much would the trip cost in total, approximately? Also, any suggestions for our plan?