Here are the smart dimming switches we recommend based on your answers:
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Smart Dimming Switch Recommendations
These all require a smart home hub with Z-Wave capabilities. I prefer to use Home Assistant with this Z-Wave USB stick (which also does Zigbee), but there are many other smart home hub options. The Step-up pick below also has a vacancy/occupancy sensor. If you want to keep your existing switch you can use a Z-Wave microswitch like the Aeotec Nano Dimmer. It installs behind your existing wall switch.
Preview
HomeTechHacker Recommended
Product Name
UltraPro Z-Wave Smart Rocker Light Dimmer with QuickFit and SimpleWire, 3-Way Ready, Compatible with Alexa, Google Assistant, ZWave Hub Required, Repeater/Range Extender, White Paddle Only, 39351
Leviton DZ6HD-1BZ Decora Smart 600W Dimmer with Z-Wave Technology, Ivory, 1-Pack, White/Light Almond
Enbrighten Z-Wave Smart Rocker Light Dimmer with QuickFit and SimpleWire, 3-Way Ready, Works with Alexa, Google Assistant, ZWave Hub Required, Repeater/Range Extender, White & Light Almond, 46203
Budget Pick
Product Name
UltraPro Z-Wave Smart Rocker Light Dimmer with QuickFit and SimpleWire, 3-Way Ready, Compatible with Alexa, Google Assistant, ZWave Hub Required, Repeater/Range Extender, White Paddle Only, 39351
HomeTechHacker Recommended
Product Name
Leviton DZ6HD-1BZ Decora Smart 600W Dimmer with Z-Wave Technology, Ivory, 1-Pack, White/Light Almond
Step-up Pick
Product Name
Enbrighten Z-Wave Smart Rocker Light Dimmer with QuickFit and SimpleWire, 3-Way Ready, Works with Alexa, Google Assistant, ZWave Hub Required, Repeater/Range Extender, White & Light Almond, 46203
Additional Popular Smart Switches
Additional Smart Home Device Recommendations
Here are additional smart devices most people love. I also recommend you read my book, The Smart Home Manual, for help planning and configuring your smart home.