To which state do I owe tax from the sale of some ISO stock options?
I live in New Hampshire, and this past year my job moved to Massachusetts. I did a same day sale of some ISO stock options while employed in Massachusetts. Do I owe Mass. state tax on the sale? My employer seems to have included the amount in my Mass W-2 instead of my N.H. one. - Steve, Manchester, N.H.

As a professor, can I deduct home office costs?
I am a professor who works from home on my research three days a week. Can I take any deductions for use of my home computer, paper, and printing? —Michael, Beverly

Do I need to register my business in other states?
I have a registered sole proprietorship in the state of Connecticut. It is a consulting company. As I expand my business, I have potential clients in Mass. and New York. Do I need to register my business there or just pay taxes to those states? —Dianne, Rocky Hill

 Do I qualify for an IRA deduction?

 Can I defer reporting income from a 401k?

 What are the tax implications of a Commuter Rail employee benefit?

 Where do I report income from a stock purchase plan discount?

 What are the tax benefits of using public transportation to commute?

 Do I file a Schedule C as a single member LLC?

 Will I be penalized for cashing in my 401k?

 How do I deduct babysitting costs?

 Can I write of investments in failed companies?

 Can I deduct my travel expenses when I carry 100 pounds of tools to work?

 Can I deduct car expenses if I am an independent contractor?

 Do I need to declare tips from bartending?

 Can a home office be treated as a rental property for tax deductions?

 What are some tips for independent contractors?

 How do I report income from lawsuits?

 For more information consult a CPA