youre trying to tell us that you didn't know coupons exist? Come on.
this is on you.
yes, full price is insanely expensive, but the fact that anyone would ever pay it - and be in a situation where paying it is worthy of a complaint - is insane.
You were lazy and you paid the lazy tax. You want to call yourself "and" stupid, sure, whatever. But call a spade a spade. Own your mistake and don't blame Domino's.