WHAT: Earn 2000 Aeroplan points for each Best Western stay. Maximum of 5 stays (during promotion period) for 10,000 points.
KNOW: You have to register for the promotion before you stay and CHOOSE Aeroplan in your Best Western account earning preferences. Normally with Best Western, you get 250 points per stay.
Expires: August 31, 2013
Link: http://www.bestwestern.com/rewards/offers/appromo3.asp