Do I need to send in the charger as well?
For the trade-in, do I send everything or just the computer?
MacBook Pro 13″, macOS 10.15
Question marked as
It is not necessary. As seen on Apple's trade in webpage, Apple Trade In - Apple:
"Do I have to include accessories like chargers and cables?
No, you do not need to include accessories. If you choose to include any, we will recycle them for you."
Best of luck with your trade in!