The piece of advice “know your competitors first” is quite hard to follow nowadays, if not quite outdated.
Learning the arena, its boundaries, its grey and red zones it’s much more relevant for your success than knowing your competitors. You can and should learn about them in the next phases. Some of them might also disappear in the meantime, so more study cases to follow when it comes to “this is how you should not do it”. … More Learn the system before learning who your competitors are