NewEgg has EZVIZ Mini O 720p WiFi Security Camera on sale for $19.99 w/ code EMCPTER74 in your cart. Plus shipping is free.
This camera connects to your home WiFi network and lets you stream video or use two-way audio on your smartphone or computer. They’re also Amazon Echo compatible. No sales tax except in CA, IN, NJ, and TN.
https://www.newegg.com/Product/Pr…-_-Product