Question

How are expenditure milestones set up

Answer 1

Setting Milestones is an important aspect of project management. The process allows you to create a clear and attainable project plan, while enabling you to see and monitor your progress.
Milestones increase focus because they lay out the urgency of each step of the project ahead of you.
Source:
https://catchafireblog.org/how-to-set-milestones-4821a6b46a5f