Use 'trade up' when you get something of better quality or features.

Better Quality

'Trade up' often relates to personal items like cars, phones, or houses.

Personal Possessions

Be aware that 'trade up' means to get something better, not just different.

'Trade up' suggests a significant and positive change in one’s career path.

When you 'trade up' at work, you often take on more responsibility.

Use 'trade up' when moving to a higher position within the same company.