Merge your max level Time Skipper with a producer (like cleaning set, toy box, tool box, etc.) when the producer item is in the charging/cooldown period.

This way, you can skip the charging/cooldown time and fill the producer's capacity without waiting.

https://d2duuy9yo5pldo.cloudfront.net/biggergames/bcd5bb01-47fc-41bc-9c9b-660f11f5dc27.gif