We should also hope they remain cheaper, and companies don’t start selling the “smart” appliances for less with the idea that they can somehow makeup for it on data collection or ongoing upsells and subscriptions.
Those will soon also not require you to connect them to your wifi, NB-IoT both chips and plans cost for businesses are already very good.
Thanks to Tuya, the software and infra side for making a garbage-quality IoT device is effectively free now. You may be surprised just how much of those you have around you. Any random device class that suddenly gained optional "control through app/voice assistants" feature is likely Tuya in disguise - magic of white-label IoT.