Ezlo like ever company has to make a profit. Beyond z-wave, zigbee, logic engine, scripting and http requests. What integrations would you pay for, and how much, and how long? Or if you feeel it should be free?
Voice integration - $1-2 per/year
Alarm panel - $50 till manufacturer changed their api then a fee for update.
Remote cloud - $1-2 per/year.