DJI Spark + Controller + 2nd battery $380, Mavic Air $650, Mavic Air Fly More $830

I invested 2 nights shopping for DJI Spark & Mavic Air. Please see my research below.
Although we have seen better deals on Black Friday and YMMV clearances, I think deals below are good enough if you need a nice photo/video drone in the next few months for Mother’s Day, Father’s Day, graduation, or wedding.
* DJI Spark 1080p Drone *
Target has Spark Controller Combo + 1 extra battery = $399.99 – 5% REDcard = $380.
https://www.target.com/p/spark-dr…A-54017897
BuyDig via Google Express has Spark Fly More Combo $489 (Controller, 1 extra battery, 1 extra pair of propellers, charging hub, and shoulder bag).
https://express.google.com/produc…6719_15953
* DJI Mavic Air 4K Drone *
Official DJI Store has Mavic Air $799 or Mavic Air Fly More Combo $999 (2 extra batteries, 2 extra pairs of propellers, charging hub, power bank adapter, and travel bag).
https://m.dji.com/product/mavic-air
ConsumerElectronicsCostSavers via eBay has Mavic Air $649.99 ($150 cheaper) or Mavic Air Fly More Combo $829.99 ($170 cheaper).
https://www.ebay.com/sch/m.html?_…r&_sacat=0
Has anyone bought DJI drones from ConsumerElectronicsCostSavers? Can we trust them?
They claimed to be authorized DJI reseller, and items are brand new (not refurbished), but these prices sounded too good to be true.