Originally Posted by akr1970akr

Haven't done Delta before directly. In the rare times I need them I buy them at grocery stores.

NB that there are differences in how Delta might code up based on desktop purchase vs. mobile purchase. (at least for Amex)

And additionally, there have been recent decent discounts on Delta GC at places like Costco, some grocery stores etc. so even if you were trying to gather up the 10x TYP make sure its actually the best deal out there.