buying from apple store = FAIL
buying from apple online = FAIL
Both charge full retail. Only nimnods willingly pay full retail for a product.
You will be charged sales tax.
Buy from out of state 3rd party online that offers discount or rebate. You won't pay sales tax = WIN.
Run into problems and need repair if you go #3 = FAIL+PWNED
Get it from the online store but play with it at the physical store. That's what I did. Not worth the hassle to go 3rd party.