Planning should include

creating timelines and schedules that reflect task sequencing and resource availability
estimating costs and identifying funding or support sources
identifying materials and ensuring their availability at key stages
allocating resources based on needs, constraints, and priorities
assigning duties to team members in alignment with skills and project requirements
submitting a project plan with all components demonstrating readiness for execution.

Process/Skill Questions:

How accurate does a cost estimate have to be?
How can a leader estimate a schedule or timeline for a project?
What existing resources can be leveraged, and what additional resources must be secured?