Amazon with SUMR Brands has the Summer Infant Baby Pixel Cadet 4.3" Color Video Monitor (36014, White) for $75 with free shipping. Has a SleepZone Virtual Boundary, white noise, automatic night vision, sound activated LED lights and more.
Amazon with Arenti Intelligence has the LAXIHUB M1 WiFi 1080p Full HD Baby Monitor with Crying & Motion Detection, 2 Way Audio, Night Vision & Smart Home Camera for $25 - $3 off coupon (check "Save an extra" box) - $6 off with coupon code VERWCRZM [Exp 10/4] = $16 with free shipping on $25+ or with Prime. Compatible with Alexa and Google Home.
Walmart has the Motorola MBP844 Connect Wireless Wi-Fi 5" Baby Monitoring Camera (MBP844CONNECT) for $39 with free shipping. Has 2-way talk communication, room temperature, night vision, 1000 ft. range and 5 lullabies.
25% off Select Motorola Baby Monitors and Accessories. Today only. Lowe's has the MOTOROLA LUX64 4.3" 1080p HD Wi-Fi Video Baby Monitor on sale for $97 with free shipping or store/curbside pickup. Currently selling for $130 at most retailers.