That was quick! Many people start with Basic Rules and then graduate to things like the Room Lighting app and eventually Rule Machine for the really complex rules.
There are also many applications written and supported by members of the community (as opposed to the ones that come built in, so to speak). Once you get comfortable with the hub and how it works, check out a community-supported app called Hubitat Package Manager. It's sort of one-stop shopping for community-supported apps and devices.
In the mean time, take a look at these links, especially the one about building out your zigbee network. Doing it right from the start saves a lot of headache later.
https://docs.hubitat.com/index.php?title=How_to_Build_a_Solid_Zigbee_Mesh
https://docs.hubitat.com/index.php?title=How_to_Build_a_Solid_Z-Wave_Mesh
