Trading is not only done manually by hand on computer or phone.
It is also done automatically by the computer software or phone software.
The software automatically opens and closes the trades for you.
You just come to withdraw your profits only.
You can buy or create your own trading software/robot.
If you want to create your own trading software/robot.... You must learn first how to create one from the Internet , social media or YouTube.
Search and ask how to create your own robot.
If you want to buy your own robot you can search on MetaTrader website or on social media or on YouTube.
But first you must make sure that it's scam or not safe.