re: How to develop business savvy?

This. Want to=Savvy.

The ole saying of "selling ice to eskimo" directly correlates to wanting to sell that item. I watch so many salesman now days blow more sales by simple laziness or lack of care about what they are selling. The reason the people you identify as having good skills is either they truly want to sell their product or they want to kick everyone else's arse in sales be it the competition or co workers.

Take it or leave it sales pitches only generally work on inelastic goods (milk, eggs, etc.), that's what i've always kept in mind with my product.