Walmart has the Zmodo meShare 1080p Mini WiFi Camera (MS003C) for $9.99 with free in-store pickup or $5.99 shipping to home. It's compatible with Alexa and Google Assistant and features 2-way audio.
Amazon has the OMMC 1080p Wireless Security Camera Monitor (BM001) for $40 - $16 0ff with coupon 40CAMDA (Ends 8/29) = $24 with free shipping on $25+ or with Prime. Features FHD-1080P & IR Night Vision With 1080P HD resolution image and advanced night vision. Alexa Compatible & Wi-Fi Connect Control the Wi-Fi camera even when you are thousands of miles away. Works with Alexa.
Has good Amazon Reviews.