https://www.bhphotovide
B&H offers free shipping with no tax outside NY and NJ.
Spec: 6-inch AMOLED – 18:9 screen / 128GB ROM, 6GB RAM / 4G LTE Dual SIM / Unlocked GSM Carrier / Hisilicon Kirin 970 CPU / Dual Rear Camera: 20 MP Mono +12 MP RGB, f/1.6, OIS, 2x zoom, dual-LED flash; Front Camera: 8 MP, f/2.0 / Android Oreo /802.11 ac / Bluetooth 4.2 / NFC / IP67
Package Content : Huawei Mate 10 Pro w/ preinstalled screen protector, USB-C Earphones, Charger, USB-C Cable, USB-C to 3.5 mm Headphone Jack Adapter, Flexible Clear Case, Quick Start Guide , Eject Tool.
Warranty: 6-mos Battery / 2-yr Phone (not clear whether US specific)
Both Best Buy and Amazon also offer $150 store gift card when pre-ordered from 2/4/2018 to 2/17/2018 for the same price, but for the single sim version. Best Buy, however, include the $50 Cricket or Simple Mobile Offer.