I’m just throwing out my opinion, but I’d think price and speed of growth is somewhat of a factor. The beginner stuff is usually hardy and grows so well there is abundance of it and that can make it cheaper and more of an ideal choice to start with. High end for example may not be harder to keep alive but may grow slower and since supply and demand play a factor, it’s best to wait until your confident in your tank and ability.Daily Video Talk Bonus - What makes it an intermediate SPS compared to a beginner? What's harder about it?