Price history, coupons and price alert are available on this page. You probably want to know what is the best price?
, Item Name: Smooth-R Drone, Camera: Caddx ANT 1200TVLFPV camera, , Motor: 1204-5200kv, Wheelbase: 100mm, FC&ESCI: F405 BLS 20A AIO, Size: 137*137*30mm, Battery: 450mah 3S 80C Battery (support 3-4s 450-550mah battery), Version: PNP /BNF, 118g(with battery), Weight: 90g(without battery), Power plug: XT30 plug, VTX: 25-100-200mw 48CH VTX, Blade: HQProp T2x2x4
Aliexpress
There’re some similar (or not) items on Aliexpress
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. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): xollodrnes52, BGDAVIS, BGMATT7, Drones6, BG28RC, BGJON8
(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 AuroraRC Smooth-R 100mm 3-4S Drone BNF Caddx ANT F405.
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)).