smart ecosystem
SONOFF Zigbee 3.0 USB Dongle Plus-E Gateway
Not something to buy on its own. This is the piece that lets Home Assistant or a similar hub talk to Zigbee devices without a separate branded bridge. Comes with the coordinator firmware pre-flashed, so there's no separate flashing step first.
Amazon Echo Dot (newest model)
The cheapest legitimate way into Alexa. Voice control for lights, timers, and routines works well in a bedroom or kitchen. Speaker quality is modest, so pair it with a soundbar if music quality actually matters to you.