Retirement tax questions

Thanks cboizauer , I actually read through this documents and it makes more sense but I think the problem lies in TurboTax.  It wont let you deduct home office expenses without any income, so do you just put those expenses on a different line (e.g. startup costs)?  That's the challenge I'm having.  I actually agree with the offset as it's way more likely not to get flagged and cause an audit.  Even if it does, it can still be explained.