If you frequently deal with complex hierarchies (compositions inside compositions), manual duplication is tedious. Professional motion designers often use the True Comp Duplicator script from aescripts + aeplugins
Duplicating layers usually introduces latency because the CPU has to "look ahead" to generate the new grain. The Exclusive version uses a custom ARM chip embedded in the dongle (yes, a physical dongle) to offload the processing. The result? 0.0ms latency. You can track vocals with a triple-duplicated layer stack and feel zero flamming or delay. true layer duplicator exclusive
: If you use several budgeting or accounting tools, it keeps them all in sync. Audit Preparation true layer duplicator exclusive