Aliexpress
Click here… to search for Racerstar DS6225MG 25kg RC Digital Servo [EU] on Aliexpress
Here are coupons that you can use.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in Europe 
. I don’t know if this is a good price – number of records in my database is too low! I am tired of searching coupons, but I found one for you…
Link: Banggood product page
Coupon (11.58 USD): BGToys8
(CouponsFromChina.com tip: put item in your cart and apply coupon code there after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BG9fda5b, BGRCParts8, BG27707f, Tabby20
(probably won’t work, but you can try them out)
Price history and price alert
Well, you won’t see price history chart, coz we have only 1 database record for this item (and price was 7.58 USD).
You can set price alert (for Banggood).