Basically copy coupon, view price history or create e-mail price alert. Do you want to know what the best price is?
Aliexpress
There’re some similar (or not) items on Aliexpress
Click here to search by yourself. Here are coupons that you can use.
Latest coupon and price update (UTC):
AKKO MONSGEEK M3 Gaming Mechanical Keyboard Customized Kit 87-keys Hot Swappable RGB USB-C Wired Aluminum CNC Gasket-Mount – Silver
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($102.11): BGESJY8
paste coupon code in your cart and click Apply 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): BGCOUPERT8, BGCAPITALOS8, BGBFDAY8, BGNEWYEAR8, BGSPRING8OFF, BGHONEYSP
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Check out price history chart (for all/most countries) for AKKO MONSGEEK M3 Mechanical Keyboard Customized Kit 87-keys.
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)).