To me, its really easy to wrap a coil like I see on youtube. However, its the wicking and
juice ratio that is sometimes left out. How tight do they roll the cotton? How much vg is in the
juice they use? Both of these questions, when answered, greatly contribute to a watchers success.
Tinkering itself is a product of patience. The ability to do small tasks, slightly differently, over and over, is huge. If someone loses motivation after trying something once or twice, they wont be tinkerers for long.