<ul data-eligibleForWebStory="false">The Amazon Smart Plug is on sale for $13 during Prime Day, 48 percent off its regular price.The plug can turn regular items like lamps and coffee makers into smart devices, allowing voice control and usage schedules.It's easy to set up without a smart home hub, features routines in the app, and automatically reconnects after outages.A drawback is the app's lack of sharing capabilities, but the current sale price addresses its affordability.