AudioArtCable (maker is from DH Labs) sale going on. Today is last day (didn't see or would have posted earlier).
For a 20% savings on SE Series cables, use coupon code SE20WS at checkout.
For a 25% savings on Classic Series cables, use coupon code CLASSIC25WS.
For a 30% savings on Statement Series power cords, use coupon code STATEMENT30WS.
Tax is the incentive to go with third parties now on Amazon (in those states like CA where Amazon proper charges tax, but Amazon-filled/third parties don't).
Still for something like Apple products safety with a registered reseller seems best. Dinny, a GC outweights the slight inconvenience of Applecare registration in my book. Or buy Applecare later from Apple as Shelly mentioned.
Only significant downside with Amazon IMO is the sometime long wait for new products.
Some prices below. Obviously could get more if selling yourself. NPR had a resell price breakdown of venor for old versions at moment of new model announcement, moment at retina statement, moment at price listing, etc. Dropping, dropping...
http://www.pcmag.com/article2/0,2817,2381376,00.asp