I hate debt so I'm hell-bent on paying down the mortgage with my surplus cashflow. Am I making a mistake?

Have a money question? Email us, ask jill [at] jill on money dot com.

With an extra $900 each month, does it make sense to pay extra on the mortgage, or put the money in the market?

Have a money question? Email us, ask jill [at] jill on money dot com.

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"Jill on Money" theme music is by Joel Goodman, www.joelgoodman.com.

Aunt Jill gets to play marriage therapist yet again! In the latest relationship, we have a wife who wants to use a bunch of cash to pay down the mortgage and a husband who thinks they're better off investing the cash and using it for college education.

Have a money question? Email us, ask jill [at] jill on money dot com.