This is entirely up to you.
However, if you do not use 2-Factor Authentication (2FA) to secure your broker account your money is at risk. Please make sure that you have activated any extra security features that your broker offers; 2FA and/or SMS codes.
Also, depending on the reliability of the broker that you choose you may put your funds at risk. Some brokers are "fly-by-night" and are why we have a list of preferred brokers.
Withdraw profits weekly. They are safer in your bank account or cryptocurrency wallet than the brokers.