You can get SG300 Mini for 22.99 USD using coupon code (in Banggood). Just check coupons out (with price alert and history). Do you want to know what the best price is?
Latest coupon and price update (UTC):
Banggood (22.99 USD)
Banggood warehouse is located in China. So I have checked for active coupons (all category coupons and old ones), but there was no working coupon in Banggood. Is it cheap? Well, this price is higher than average price (21.49 USD)
Link: Banggood product page
Price: 22.99 USD
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k
Old coupons (from the oldest to the newest): BGToys8, BGMatt2022
(these coupons are old, so probably won’t work)
Other warehouses/versions
This item is available in 1 another warehouse/version!
1. China – ZLL SG300 Mini Drone (18.99 USD)
Aliexpress
Click here… to search for ZLL SG300 Mini Drone with 2 Batteries on Aliexpress
Here are coupons that you can use.
Price history and price alert
Price history (for all/most countries) for ZLL SG300 Mini Drone with 2 Batteries is here.
Price records source(s): Banggood
Click on image to enlarge. 
You can set price alert (for Banggood).