Use coupon and get PI RP2040-Zero Microcontroller Board for 8.99 USD (from Banggood). Just check coupons out (with price alert and history). What is the best price?
Latest coupon and price update (UTC):
Banggood (8.99 USD)
Banggood warehouse is located in China. There are no coupons for this product in Banggood. I think you want to know if the price is good. Hmmm, price is higher than average (which is 7.96 USD right now), so better set price alert down below…
Link: Banggood product page
Price: 8.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): Cuponation9, BG00c906, BG589b2e
(you can check these old coupons out, but these probably won’t work)
Aliexpress
Click here… to search for Raspberry PI RP2040-Zero Microcontroller Board PICO on Aliexpress
Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for Raspberry PI RP2040-Zero Microcontroller Board PICO.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).