The numbers do not lie. I really like smart lighting, and I will continue to add more in my own house. However, these numbers may surprise you.
The smart lighting system I use most in the GE Cync system.

Amazon affiliate links:

GE Cync Wire Free Switch: https://amzn.to/3ytBC3R

GE Cync Smart Plug: https://amzn.to/4dJszvD

DISCLAIMER: CWT (Colby Willen Tube) is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by advertising and linking to Amazon.com and affiliated sites.