You’re probably spending more money on work than you realize. When you’re thinking about it, you’re spending plenty of money to go to work.
If you’re taking your car to work, you need to take into account the gas you’re using plus the depreciation on the car.
You can spend thousands of dollars every year keeping your wardrobe up to date.
Whether you have a pet or a child, they might need to go to the daycare. In most countries, daycare is extremely expensive.
When you want to take a short trip, you need to go at the weekend. That’s when flights and hotels are the most expensive.
If you’re working, you have less time in general to do things. You might take the convenient option when they’re available, just because you can.