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
| Image | Product (link) | Price | Coupons |
|---|---|---|---|
 |
For X100 Main Test Cable OBD2 Diagnostic Scanner Tool for X-100 PAD2 Pro X100 PAD 2 OBD 2 Interface and Connector I80 16 Pin | $29.51 | – |
Click here to search by yourself. Here are coupons that you can use.
Latest price update (UTC time):
Power Consumption 4W, Memory 1 GB RAM / 16GB Flash, Bluetooth 100 Meters, Operating System Android 4.4.4, WI-FI WIFI2.4Ghz, Operating Temperature -20 to 50°C (-4 to 126°F), Humidity ＜90%, Display 7 inch IPS 5-Point Multi-touch Screen with 1024×600P Resolution, Power Voltage 3.7V, Quantity 1 Set × Auto Key Programmer Diagnostic Scanner Tools, Input/ Output Microphone / Dual Speakers / 3.5 mm headset jack / Mini HDMI Port / 2.0 USB Port / TF Card Port, CPU Quad Core / 1.3GHz, Sensors Gravity Sensor / Light Sensor, Battery 2400mAh / 3.7V, Dimension (L×W×H): 208×140×15.5 mm, Product Name Auto Key Programmer Diagnostic Scanner Tools
Banggood
Banggood warehouse is located in China.
Link: Banggood product page
1. ($442.76): BGAUTO22
2. ($479.22): 8wEbgaInS5
put item in your cart and apply coupon code there 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): BG14330, BGHRepair2, BGS14329, BG10OFFAFF1, BGa9ab1e, BG6f6f80, BG43ad03, BGRepair63, BG219177, BGe2914c, MVC8SPRING, 8BGwbg2204
(I don’t think these’re gonna work, but you can try ’em out anyway)
Price history and price alert
Here is price history (for all/most countries) for XTOOL X100 PAD OBD2 Diagnostic Car Scanner.
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)).