Thinking of a professional headshot but can't decide, right? Why invest in a professional image, if you can have your friend just snap a quick phone photo for you, or, better have a selfie in your dim-lit bedroom done? Well, if that's your train of thought, think twice. It's not a secret and doesn't need a lot of persuasion that a professional headshot attracts more potential employers than a dark smudgy selfie. Whether it's a business headshot, or a modeling…