Size: 118*91mm, Wheelbase: 151mm, Brand: iFlight, Item Name: 3.5 Inch 151mm F4 4S Whoop FPV Racing Drone, Weight: 348±10g, Upper Plate Thickness: 2mm, Model: Protek35 HD w/Caddx Air Unit, Bottom Plate Thickness: 3.5mm.
Basically copy coupon, view price history or create e-mail price alert. What is best price?
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($888.88): BG5ae448
2. ($1176.89): Drones6
3. ($1176.89): CouponsDE
4. ($1176.89): 00c906
coupon code has to be applied in shop’s cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGJPP35, BG6622bb, BGProtek888, BANGGOODSD
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for iFlight Protek35 HD 4S Drone with DJI Goggles V2. The lowest price was: $888.88.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood and Aliexpress (only if product name will be the same as on Banggood and I will post it on social media though, so it’s more like Banggood price alert)).