Which doesn’t really contradict the claim that you “could be spending substantially less money on food if [you] used an online coupon service”. That claim is probably literally true, it just ignores the fact that in your situation the monetary savings were not worth the time/effort cost.
Much not-exactly-wrong advice falls down by ignoring opportunity cost.
Which doesn’t really contradict the claim that you “could be spending substantially less money on food if [you] used an online coupon service”. That claim is probably literally true, it just ignores the fact that in your situation the monetary savings were not worth the time/effort cost.
Much not-exactly-wrong advice falls down by ignoring opportunity cost.