Although he has never held a job in the investment industry, he has written extensively on the subject, including The Only Investment Guide You'll Ever Need, The Only Other Investment Guide You'll Ever Need, My Vast Fortune, Money Angles, The Invisible Bankers: Everything the Insurance Industry Never Wanted You to Know, and The Funny Money Game.
Aynı zamanda yazar olan Tobias yatırıma ilişkin The Only Investment Guide You'll Ever Need, The Only Other Investment Guide You'll Ever Need, My Vast Fortune, Money Angles, The Invisible Bankers: Everything the Insurance Industry Never Wanted You to Know ve The Funny Money Game kitaplarını yazdı.