Check coupons or create price alert down below. You probably want to know what is the best price?
Wire Diameter: 3.50mm(For 14 AWG)/3.00mm(For 16 AWG), Conductor Material: Tinned Copper, Wire Length: 1M, Temperature Range: -60oC to +200oC, Insulator Material: Silicone, Conductor Size: 14 AWG/16 AWG
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 code price check (UTC time):
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($5.45): BG25d4e7
2. ($5.93): BGMatt2022
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop)
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/5cd
There were country-specific coupon codes published on Couponsfromchina social channels and price alerts. Coupon price may vary by country, because there’re different VAT rates, shipping cost etc. There is a chance that some latest coupons are still working:
Old coupons (from the oldest to the newest): Parts8, BGRCParts8, BG8RCToy, BGToys1, BGRCT10, BGJUNEGSG9, Cuponation9, BGToys8
(sometimes old coupons work, so you can check them out (this site checks them on every price update))
Other warehouses/versions
This item is available in 2 another warehouse/versions!
1. Europe – 1m Silicone Wire 24AWG [EU] ($-3)
2. China – 1m Silicone Wire 22AWG ($-3)
Price history and price alert
Check out price history chart (for all/most countries) for 1m 8-26 AWG Silicone Wire 20AWG.
Price records source(s): 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)).