$8.99 – 6 Inch Double Edged Hand Saw SK-5 (Banggood, Aliexpress: 6 Inch Double Edged Hand Saw SK-5 High Carbon Steel Versatile Woodworking Tool for High Durability Flexibility Ideal for Fine Detail Work (the best price with coupon)).
According to my DB the lowest price is $8.99 for 6 Inch Double Edged Hand Saw SK-5 (in Banggood). You can create price alert here, copy coupons and view price history. Let’s see what best price is ATM.
Latest coupon and price update (UTC):
Banggood ($8.99)
Banggood warehouse is located in China. I don’t think there is an active coupon right now – at least in my database. Well, is it a good price anyway? IMHO this is a good price, coz it’s lower than average ($9.32)
Link: Banggood product page
Price: $8.99
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): BG76cfa1
(these codes were not working in latest coupon update, but you can check them out anyway)
Aliexpress
There’re some similar (or not) items on Aliexpress
You can use link bot to get even lower price:
Click here to search by yourself. Here are coupons that you can use.
Price history and price alert
Here is price history (for all/most countries) for 6 Inch Double Edged Hand Saw SK-5. The lowest price was: $6.99.
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)).