512MB LPDDR2 SDRAM, Extended 40-pin GPIO header, Single USB 2.0 ports, 2.4GHz and 5GHz IEEE 802.11.b/g/n/ac wireless LAN, Broadcom BCM2837B0, Bluetooth 4.2/BLE, Full-size HDMI, Cortex-A53 (ARMv8) 64-bit SoC @ 1.4GHz.
Basically copy coupon, view price history or create e-mail price alert. What is the 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 code price check (UTC time):
Banggood
Banggood warehouse is located in China. You can get coupon down below.
Link: Banggood product page
1. ($42.91): 13f142
paste coupon code in your cart and click Apply after clicking “Proceed to checkout”. Click to copy code and open shop.
Exclusive Allowance Coupons: https://bit.ly/3xWgD9k and https://couponsfromchina.com/short/i1u
Old coupons (from the oldest to the newest): 502C6B, e2bcea, elec, 2019SPEDM, AFfbG10, BGBFAFF2019, BGCITYADS2019, BGE13, BGAFF10OFF, bGhOnEy10, BGdragonBoat, BGSS10%SW, bgshOOp10, BgoFErTaSchInA10, BGELIG0920, BgcLuBofErtA10, BGRUMB15, BGCuponation10
(there’s a little possibility that old coupon will work)
Price history and price alert
Here is price history (for all/most countries) for Raspberry Pi 3 Model A+ Plus 3A+. The lowest price was: $31.32.
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)).