/biz/ - Business & Finance

>be me
>did a job interview today as a dev for a bank in europe
>"Do you have some market sell/order knowledge of some sort ?"
>me talking about my bitcoin experiences
>interviewer do not let me finish my speech and say
>"The only rule is to only invest money you can lose. Because you will ultimately lose it"

He's been decades into this business and knows his shit.
What do you think /b/ ?