You have to train separate shoots, cutting the tip can easily kill the shoot. If this is your first year, you may only see one per rhizome. Yield depends a lot on the root system.
Remember one unassailable statistic, as explained by the late, great George Carlin: "Just think of how stupid the average person is, and then realize half of them are even stupider!"
"I would like to die on Mars, just not on impact." Elon Musk