Rona is offering 50 bonus air miles reward miles right now when you pay using Air Miles cash. This is 50 bonus air miles per Air Miles cash transaction, so if you split what you are buying into multiple purchases you can earn the 50 bonus reward miles multiple times.
The Fine Print
Offer valid June 26 to July 7, 2013 on qualifying redemptions made in a single transaction in a RONA participating store. The Bonus miles will be deposited in the AIR MILES Collector Account within 60 days following the end of the promotion if the conditions are met. Redeem AIR MILES reward miles in the Cash balance of your AIR MILES Collector Account in increments of 95 reward miles for $10 off your purchases, up to $750 per day. You must inform the Sponsor that you want to redeem reward miles and present your Collector Card at time of purchase.
I was going to waste my Air Miles cash at Shell because of that other promo but this deal is WAY better!