Show the total for the selected month. Save entries between browser visits and let me delete a mistaken entry. Use sample data for the demonstration. Choose the layout yourself and explain how to run it."
That gives a beginner something specific to inspect. Add two expenses, refresh the page, then delete one and check the total. A page can look finished even when its saved data is wrong. This example is for learning; it does not cover backups or sharing financial records between people.
