Just a quick note here that users with Canadian addresses get a DIFFERENT EXCHANGE RATE when converting miles between Ebay Anything Points and AAdvantage.
Whereas a US-based user gets a 1.046 exchange rate using all bonuses, Canada-based users get only 0.975.
eg. US : 10000 Ebay -> 10465 AAdvantage; Canada : 10000 Ebay -> 9750 AAdvantage