"Sorry about the inconvenience. I dont know y it didnt work it was new, but I had no other codes I c ... " (more)ould have offered as substitute. Thank you anyway, and sorry again."
"The codes yielded low rewards each, but you don't know what rewards are with each code you give ... " (more), so that's just a risk I as the buyer took, but a little rewards is better than none... Thanks!"