Camera: RunCam Micro Swift, Frame kit material: plastic + carbon fiber, ESC: Mamba F25 / 25A 4S ESC Dshot600, Propeller: 2 inch, Weight: 75g, Color: lucency / black / white, Motor: Mamba Racing MB1105 5500KV, Wheel base: 95mm, Lipo battery: recommend 3-4S 450-650MAH (not included), Item name: GT R249 RC Drone, Flight controller: Mamba F405 mini; MPU6000; AT7456 OSD; 16M flash; 5V 1A BEC., VTX: RunCam TX200U 48CH 25 / 200mW.
You can create price alert here, copy coupons and view price history. 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 coupon code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($114.59): BGAFF10OFF
2. ($114.59): bGhOnEy10
3. ($114.59): BGdragonBoat
4. ($114.59): bgshOOp10
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): 502C6B, TTxBG10, 2019SPEDM, BGss11, AFfbG10, affbg10, BGTR249, BGBinKupon453, BGBFCR25, BGCITYADS2019, BGMPB2020, BGSS10%SW
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Diatone 2019 GT R249 Drone PNP. The lowest price was: $89.99.
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)).