You can create price alert here, copy coupons and view price history. What is best price?
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):
Shell material: Imported PC + ABS, Polarization: LHCP/ RHCP (Optional), Item number: Lollipop 2, Axial ratio: <1, Gain: 2.5 Dbi, Center frequency: 5.8 GHz, Center Frequency: 5750MHz, Antenna length: 22.7mm, Matching: VSWR < 1.2 (at center frequency), Bandwidth: 500 MHz (5.5-6.0 GHz), Weight: 4.8g, Radiation efficiency: 98%, Connector: SMA Male
Banggood
Banggood warehouse is located in China. I am tired of searching coupons, but I found one for you…
Link: Banggood product page
1. ($9.11): Parts8
just apply this code in your cart 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
Old coupons (from the oldest to the newest): chollodronesBG012, f62884, BGss10%fox, BGBCFPV
(these codes were not working in latest coupon update, but you can check them out anyway)
Price history and price alert
Do you need price history chart (for all/most countries) for Foxeer Lollipop 2 Stubby RHCP/LHCP FPV Antenna? There we go.
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)).