$10.34 – 10X XT60 Female Plug, 10X XT60 Male Plug, 20X Red Heat Shrink Tube, 20X Black Heat Shrink Tube.
ATM you can buy 10 Pair URUAV XT60 RC Male Female Bullet Connectors for $10.34 (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 ($10.34)
Banggood warehouse is located in China. As you can see I didn’t find any active coupon for this product right now… Is it a reasonable price for this item? This price is higher than average price ($9.86) for this item.
Link: Banggood product page
Price: $10.34
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): Parts8, BGRCParts8, Tabby20, 8BGwbg2204, tRaDetRaCKeR, 8wEbgaInS5, pROMo8cuPoN, BG8RCToy, BGJUNEGSG9, BGRCT10, TTSUMMER8, Cuponation9, BGMatt2022, BGToys8, BG25d4e7, BG589b2e
(system checks these coupons on every price check (like once per 24 hours), 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 10 Pair URUAV XT60 RC Male Female Bullet Connectors. The lowest price was: $5.99.
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)).