Become Sotapanna first. Observe the Four Foundations of Mindfulness in light of the three Great Marks. The Three Great Marks are keys to develop the understanding to surmount the first three fetters and step over the threshold onto the path of Sotapanna. Then walk the middle way. Anagami comes. Work diligently. Many make anagami. Arahant, not so many- in this world.
A Quest to Recover Buddha's True Teachings