Depending on what you want to do, a ST Hub is not always required. For example, if you want the best in class Smart Switches and Dimmers, take a look at a Lutron Caseta Lighting system. Just be sure to spend the extra money for their SmartBridge PRO, as it will work with both SmartThings and Hubitat (at the same time), as well as directly with Apple HomeKit, Amazon Alexa, Google Home, Ecobee, Logitech Harmony Hub, Sonos, Node-RED, Home Assistant, and more…
If you want smart light bulbs, invest in a Philips Hue lighting system. It also works with SmartThings, Hubitat, as well as directly with Apple HomeKit, Amazon Alexa, Google Home, Logitech Harmony Hub, Node-RED, Home Assistant, and more…
And, there are other options readily available…