While we use the term "Smart Home", few of us will dive straight in and automate the entire house in one go!
While we use the term "Smart Home", few of us will dive straight in and automate the entire house in one go! In fact, it's usually our advice not to do that - we would always recommend to start small, perhaps with one single room at a time. So for your first "system" choose a product that will do what you need for a specific task - it may be just controlling a few lights or some simple heating control. Choose the system that best meets your needs now.