I don’t think replacing tick with a timer in bunch of actors would bring any real performance.
What you can do is make sure that tick is disabled on actors that don’t need it (it’s enabled by default when you create new bp).
Use timers if running logic every frame is not required.
If you have bunch of simple actors that basically do the same thing, instead of each and every ticking on it’s own you can have a ‘manager’ that keeps their refs in array and updates them on own tick instead.
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