Go down and check coupons out. Remember to check price history if it is available. Best price?
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):
Size: 32*30*12mm, Max height: 50000m, Max update rate: up to 10Hz, Max acceleration: 4G, Max speed: 515m/s, Weight: 20g, Positional accuracy: 50 centimeter precision when working with concurrent GNSS, Velocity precision: 0.1m/s, Item name: TS100 Mini M8N GPS
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($31.87): BGGAL8
2. ($31.87): BGJON8
3. ($31.87): BGRCParts8
4. ($31.87): 8Couponsde
5. ($31.87): MVC8SPRING
apply it 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): BGRTS100, TTxBG10, 0e7f33, FBCOUPON1, BGAFF10OFF, BGCuponation10, BGDAVIS, BGHONEY2110, Parts8, BGRACING1125, Tabby20, BG1efeb0
(you can check these old coupons out, but these probably won’t work)
Price history and price alert
Do you need price history chart (for all/most countries) for Radiolink TS100 RC GPS Module? There we go.
Price records source(s): Gearbest, 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)).