Hello,
Thank you for reaching out and sharing your feedback about your Samsung washing machine. I understand you're having an issue with your washing machine as it shakes bad when starting up in the spin cycle. We do apologize for the inconvenience this has caused you. We are here to help.
To help you with this, I am providing this link https://www.samsung.com/us/support/troubleshooting/TSG01001016/ to guide you on the issue.
Another link you may find useful is this one https://www.samsung.com/us/support/search/?query=washing+machine&referrerPageUrl=https%3A%2F%2Fwww.samsung.com%2Fus%2Fsupport%2F as it has all the troubleshooting guides, links, videos, and other resources you might need for your Samsung washing machine.
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Your reference number is 1144326298.
-Noraina