Basically copy coupon, view price history or create e-mail price alert. Let’s see what best price is ATM.
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):
400x 400x 500 large printing size, Nozzle diameter: 0.4mm, Frame material: Aluminum, Layer thickness: 0.05-0.3mm
Price history and price alert
Price history (for all/most countries) for HE3D H500 3D Printer is here.
Price records source(s): Gearbest
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)).