I have a Gen 1 controller which has served me wonderfully, saving time and water. I love this system. I am terrified of it finally giving out and having to deal with all the issues I seem to see in Gen 3. I want to set zones, times, and take the input from my stable PWS to know when not to water. I worry about the somewhat wonky wifi issues I read about and, frankly, things like crop coefficients are way above my pay grade. I live in Florida, essentially on sand. I can manually pause a schedule, or put in a little extra time from my iPhone. If I had to replace my Gen 1, I’d want another of the same generation, I think. I suspect there are a lot of people like me who want to keep it simple. If it gets to be too much hassle to set up or maintain, I’d seriously consider going back to a simple timer and rain sensor. There’s a point when things become way over engineered. Bottom line: I love the Rachio, but hope you can keep it simple for some of us.