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I know there is a FP deal going on for similar deal from Samsung.com. Now BestBuy also running similar deal but there are other stackable offers available with BB which brings the price further down.

Unlocked Galaxy S9: $ 719.99.
$ 200 off on Samsung Chromebook when bundled.
$ 50 off on Phone when you add Cricket SIM Kit $ 9.99 & $ 50 refill card (on sale for $ 47.50).
Now if you have AMEX offer on your credit cards, by splitting on to two cards, you can save additional $ 60. ($ 30 off $ 300 on each card).