none. if you find the need for more flexibility/customization, or integrating all those devices under one system, your SmartThings hub would replace your ADT pulse system. The best blend of the two would be SmartThings’ new ADT Security Hub
Sounds like your home is more remote controlled than automated. Your ST hub can make things happen automatically rather than you having to do the asking all the time…
That’s a very good question Bob.
My smartthings hub turns on sockets connected to my security cameras when my home is unoccupied.
This means I don’t get recordings of the family doing routine stuff, but I hopefully will capture any intruders that might turn up.
Other than that, it’s become redundant really.
Alexa has most things covered.