Backup your entire phone, and label it with the date and purpose.
Iphone: Wipe your phone
Android: Wipe your phone
Backup your entire laptop, and label it with the date.
Factory reset your laptop to default. There soo many ways to do this. contact us!
SD Cards, Hard drives, & usb devices
It’s recommended destroying these because it can be very difficult and expensive (more than a replacement would cost) to verify that all data is erased.