Brand: Emax, Propeller: Avia 3630 TRIBLADE propeller, Motor: EMAX ECOII 2004 3000KV Motor, FC：STM32F722 + 4 IN 1 25A ESC, Receiver: PNP/ Emax ELRS 2.4G Receiver (Optional), Vtx & camera: HD Zero Whoop + Runcam Nano HD Zero, Weight (excluding battery): 172g, Vtx antenna: Emax Nano Antenna UFL, Wheelbase: 162mm, Item Name: Hawk Apex 3.5″ RC Drone.
Price history, coupons and price alert are available on this page. Let’s see what best price is ATM.
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. I found coupon for you. Check this out.
Link: Banggood product page
1. ($394.68): BGMatt2022
paste coupon code in your cart and click Apply 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): Cuponation9, BgGoodie9, BGApex10
(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 Emax Hawk Apex 162mm 3.5inch 4S Drone BNF ELRS. The lowest price was: $386.1.
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)).