Originally Posted by yvrgary

When I'm buying, I choose Flex. When my clients are buying, they generally choose Tango.

As a result, next week's $800 Tango roundtrip YVR-YYZ is earning fewer Aeroplan miles (1040) than yesterday's $22 car rental (1500 with promo).

This got me to thinking; what is the single *worst* CPM money can buy?

YOW-YUL, last-minute, flexible J, no status, comes to 141 miles for $1262, or 895 CPM.

Anyone?

(I'm not having a go at anything, here, I just enjoy a fun math problem)