"Meticulous planning" means a careful and thorough process of organizing and preparing for something, paying close attention to every detail. Full definition
For us the trip was well worth the effort, and we left with a much better appreciation of the value of meticulous planning for this type of project. (passivehouseplus.ie)
With no time for meticulous planning, they threw together a strategy. (canadianbusiness.com)
Travel, like dancing, isn't something you can force and it's not something you learn by meticulous planning and execution, at least not at first. (relevantmagazine.com)