$56.99 – Brand: Baseus, Color: Black, Rated Voltage: 7.4V, File: 1 gear/2 gear, Material: ABS+PC, Battery capacity: 4000mAh 14.8Wh, Size: 175x145mm, Input: 5V/1.5A, Motor Speed: 300r/min(+-30%), Charging Time: 3-4Hours, How to use: DA wax+eccentric turntable, Name: Car Polishing Machine, Endurance: 30 minutes, Model: BS-CG011.
$56.99 – that is current price with coupon for Baseus Car Polishing Machine Electric Polisher (in Banggood). Basically copy coupon, view price history or create e-mail price alert. You probably want to know what is the best price?
Latest price update (UTC time):
Banggood ($56.99)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Good or bad price? Maybe there’re no more promotions for this item, because current price is higher than average (which is equal $52.76)
Link: Banggood product page
Price: $56.99
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): BGSCM11, BGCAR639, BGAMMT03
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
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.
Price history and price alert
Here is price history (for all/most countries) for Baseus Car Polishing Machine Electric Polisher. The lowest price was: $49.99.
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)).