You can get Surpass Hobby ROCKET 70120 Sensorless Brushless RC Motor 8mm for $183.99 using coupon code (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Surpass Hobby ROCKET 70120 Sensorless Brushless Motor 8mm Shaft Compatible 8-16S for 1/4 1/5 RC Car Parts – 620KV
Latest coupon code price check (UTC time):
Banggood ($183.99)
Banggood warehouse is located in China. But wait a sec… Is it a good price? Looks like a good price to me (average is $184.99). There is one coupon available! Pretty cool, huh?
Link: Banggood product page
Price without coupon: $186.99
1. ($183.99): BGALL8
you should apply the coupon in your cart after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
Old coupons (from the oldest to the newest): BG5b5300, BGESJY8
(system checks these coupons on every price check (like once per 24 hours), but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for Surpass Hobby ROCKET 70120 Sensorless Brushless RC Motor 8mm is here.
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)).