Flight time: 3-4minutes, Flight controller: Minicube Betaflight F3 6DOF Flight controller built-in OSD, Camera: 600TVL HD CMOS 1/4 inch, VTX: 5.8g 25MW 48CH NTSC/PAL Video transmitter, Battery: 7.4V 450mah 80C lipo battery, Propeller: 50mm 4-blades propeller, Firmware of flight controller: Betaflight 3.1, Receiver: Receiver: Frsky/DSMX/Flysky AFHDS2A (optional), ESC: 10A BLHELI_S 16.5 2-3S 4 in 1 ESC Dshot600, Buzzer Ready, Wheelbase: 100mm, Weight: 61.7g(battery not include), Size: 120mm*120mm*65mm, Rear LED Ready(LED_Strip function), Motor: Eachine 1104 7500KV brushless motor, OSD: Betaflight OSD.
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 and price update (UTC):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($98.99): AFfbG10
2. ($98.99): BGEachine10
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): EA100, d8f2bb, TTxBG10, 2019SPEDM, BGss11, BGA100, BGBFCR25, BGCITYADS2019
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Price history and price alert
Here is price history (for all/most countries) for Eachine Aurora 100 Drone BNF. The lowest price was: $71.49.
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)).