It's not. If you have a decent camera and clear skies, you can begin learning now, and have something half decent by the end of the night. Additional investment

It's not. If you have a decent camera and clear skies, you can begin learning now, and have something half decent by the end of the night. Additional investment: 0$. Most important, remember that this article is an opinion piece. There are other (IMO, better) opinions.