Aliexpress
Click here… to search for Anet A8 V1.0 3D Printer Controller Board on Aliexpress
Here are coupons that you can use.
Latest price update (UTC time):
Banggood
Banggood warehouse is located in China. We have found one coupon for this product!
Link: Banggood product page
Coupon (43.65 USD): BG2589f4
(CouponsFromChina.com tip: apply code in your basket (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): elec, 2019SPEDM, AFfbG10, BGBFAFF2019, BGE13, BGAFF10OFF, bGhOnEy10, bgshOOp10, BGELIG0920, BgcLuBofErtA10, BGCuponation10, 13f142, BGHONEY2110
(there’s a little possibility that old coupon will work)
Price history and price alert
Price history (for all/most countries) for Anet A8 V1.0 3D Printer Controller Board is here.
Price records source(s): Gearbest, Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).