A picture alone is worth a thousand words but sometimes the use of just the right sequence of words in congruence with the photograph can magnify its effect by tenfold. A well written caption can boost likes, followers, and even change the number of visitors to your website.
Just like you, I too started off with reading a lot of “How to” articles on getting started with content writing. It definitely gave me a direction to begin working in but it was still a journey full of trials and experiments. In the end it is your own effort and talent that will allow you to carve a mark in this industry.