Originally Posted by
Dieuwer
If one is using the Delta Amex cards to earn Delta miles, especially for domestic coach travel, I agree one can do bettter. But if one is using them for the MQM bonus and/or MQD waiver, it gets more complicated. Personally I never make any decisions about how to use my Delta Amex that imply any value greater than 1 cent per point to a SkyMile, and I still do think it worthwhile to spend $25k/year (and to divert spend to other cards immediately upon hitting that threshhold).
I'm sure there are a lot of Delta Amex cardholders who are using it for the "wrong" reason, but presumably many on FT are savvier.