The point is: Storj does not want you to try, they want you to know what you do.
(See it as an test, if you are worthy )
As an Node Operator you should know basic things about the subject.
I recommend you to read first:
The recommendation is to use what you have. Otherwise ROI is serveral Years and maybe never becomes profitable
Maybe you post first your already available hardware/software/internet specifications? Lokation also plays a role.
Then we are glad to help.
Welcome to the community.
)