Originally Posted by Max M

I steer clear of the Mileage Plus shopping portal, as they are owned by Vesdia [now known as Cartera Commerce], the same company that operates the AAdvantage Shopping site, and it has been a nightmare trying to fight Vesdia for missing mileage credit for not only myself, but many others... at least this has been the case for the AAdvantage Eshopping site, and thus I am avoiding the MileagePlus shopping site.

Sure you might have crediting issues with MyPoints, but they are more customer friendly with resolving missing points than having to wait months and send numerous emails to resolve missing miles for Vesdia's owned MileagePlus and AAdvantage Shopping sites.