Contributors often ask this question: "do the extra pixels matter?". Here are a few thoughts about it.
What values most to us and the buyers is the content of your image. If the aesthetics are bad, it doesn't matter what your camera can do or how many MP it can produce. This is part of the review criteria and is also taken into consideration at sales level (a very good small image can sell at a higher price than a not-so-popular one with more MP).

Please consider the following, after the above is acomplished:

First, as the number of megapixels increases so is the technology. That equals a more powerful camera, hence better images from a technical point of view.

Second, one can crop an image in a better way if there are plenty of MP, so you will have a creative advantage....

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