please delete, mods
Credit to druzedude from https://slickdeals.net/share/android_app/t/11701487
or I wouldn't have found it.
Was looking for the $5 Lowe's credit mentioned in the thread, and found I was offered a Gap (etc) GC as well as Amazon.
Went back and was offered $5 for AMC theatres as well.
Got it immediately. You need 1 credit available.
Thank/rep the OP in the prior thread!
edit: My mistake, not free. 1 credit required. will edit title when I figure it out