Aliexpress
Click here… to search for FrSky 2.4GHz XJT Lite RC External Transmitter on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
Coupon (43.55 USD): BGGAL8
Coupon (43.55 USD): BGRCParts8
Coupon (43.55 USD): MVC8SPRING
(CouponsFromChina.com tip: this code has to be applied in your cart 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): 502C6B, 0e7f33, FBCOUPON1, BGRCRR9, BGCuponation10, BGDAVIS, Parts8, BGradio9, BG70e5fc, BG1efeb0
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for FrSky 2.4GHz XJT Lite RC External Transmitter? There we go.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).