@Anonymous wrote:In general, with all of these malls you do not need to use the issuer's card. BUT...., if something goes wrong, you tend to be out of luck: even if the CSRs want to help, they can't track the entire purchase they way they can with one of their cards, and probably won't be able to give you the missing bonus.
This is a judgement call, things don't go wrong that often. If getting 0% financing is more important than getting URs (which you probably get anyway), use the Best Buy.
But first, always check something like http://www.cashbackmonitor.com/ for alternatives.
http://www.cashbackmonitor.com/Cashback-Store/Best-Buy/ shows malls with rates well above Chase.
Right, for larger purchases, the risks become greater for using a different card, since they'll refuse to track or credit missing points. However, for 99% of purchases, the points always post.