The rebate should have been applied instantly at the cash register instead of registering online and waiting for 4 weeks. About 50 pages were wrinkled in 1 corner too.
As inflation hits everywhere the price of printing paper rises and its standard weight falls. 20 lb paper is like skim milk--shocking at first but one gets used to it (a few years ago standard printing paper was 24 lbs). Still a very good deal when on sale