You first want to convince yourself that the company is still winning the market, dominating its competitors, and continue to drive earning growth exceeding investor's expectation.
If you are confident in these categories, than buying it a few points higher does not matter. On the flip side, if you are not convinced, than buying it a few points lower does not help.
It all comes down to what you believe of Apple. For me, I want to wait to see its Apple Intelligence is real