I would be interested in doing this in the future as well or can I start now?
You gotta be kidding me.

You've done already what's enough to keep you out of any trades/management or dealing with money stuff.
Can't you see your -8 trust rating ? Just become a good person before trying to handle such jobs and obviously no company will ever think about hiring a user which has this under his name
"Warning: Trade with extreme caution!"