I'm not sure that's the right way to look at it. You may learn new tricks and techniques that can help you with what does make money. You'll also be more aware of other technologies that may be a better fit and solution for new problems and applications.
Does a carpenter just use a hammer and saw?
>"Worth" is very relative term. If in the end I don't make money, it is not worth it to me.
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>>LOL... It's tough, but well worth the journey. I'm enjoying working with it.
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Craig Berntson
MCSD, Microsoft .Net MVP, Grape City Community Influencer