His camera is three times as expensive as mine.

The expenses for advertising account for a large portion of our budget.

I use a spreadsheet to keep track of my expenses.

The accounting manager refused to sign off on the expense report.

The salesperson tried to upsell me on a more expensive model.

It's important to have rainy day funds for unexpected expenses.

Nondiscretionary expenses such as rent and utilities are necessary for daily living.

He blew all his money on expensive clothes.

I need to keep track of my monthly expenses.

I need to budget my living expenses carefully.