Go slow, and give the hub time to build a mesh. How to Build Your Z-Wave Mesh
Search the forum for your devices, and any special procedures that your devices might need to work correctly or optimally. Some Zwave stuff for example needs to be paired a certain way.
Use the simplest apps possible to do the job. Simple Automations over Rule Machine, for example.
Watch the tutorial videos, they are short and helpful. Tutorials – HUBITAT
Finally, ask lots of questions, and come here before you get frustrated.
