With shell, Broadcom BCM2835 1GHz ARM11, Single-core processor 512MB RAM, Micro SD card slot Mini-HDMI port (1080P60 video output).
Just check coupons out (with price alert and history). Best price?
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.
Latest coupon and price update (UTC):
Banggood
Banggood warehouse is located in China. There are no coupons for this product in Banggood.
Link: Banggood product page
Price: $-3
It looks like this item is out of stock in Banggood. If you found it then please send me the link. I will replace it.
Click here to search on Banggood!
Additional Banggood coupons: first page and second page
Old coupons (from the oldest to the newest): bGhOnEy10, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, BGRUMB15, BGAFF10OFF, BGCuponation10, 13f142, BGHONEY2110, BGd0b05d
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for RaspberryPi Zero V1.3 Expansion Board. The lowest price was: $12.01.
Price records source(s): Gearbest, 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)).