What should a beginner's pre-trade checklist contain?

A pre-trade checklist turns vague good intentions into a repeatable gate. Most checklists have the same core: calendar checked, setup valid, size calculated, stop placed, reason written.

What's on yours?

• the exact items, in order
• which item has saved you most often
• what you'd add for a beginner

The position sizing guide and order types guide provide two of the items.