I posted in the wrong forum and was told to post in this forum:

I've been redeeming Aeroplan rewards for years and I just read that you can book a stopover without additional points. I tried to make some 'test bookings' on the Aeroplan website and it seems like this free stopover only works for certain cities. Does anyone know what criteria the cities have to be? I read the article here: http://cardmecanada.com/free-areoplan-award-stopover/