Check out this blog entry on Microsoft Money vs. Quicken. I have to
say I've been through the same experience: One thing I've learned is
that unless you can build a business model that is profitable based
on selling a core product, you're very unlikely to reach
profitability by pasting a banner ad on that same (lame) product!

http://blogs.msdn.com/philipsu/archive/2004/07/01/170682.aspx