That's the fun part :) The most accomplished people who I know in this stuff have spent decades moving from teacher to teacher. Eventually you can tell who is

That's the fun part :) The most accomplished people who I know in this stuff have spent decades moving from teacher to teacher. Eventually you can tell who is full of shit and who isn't. There are certain red flags that you can learn to spot pretty quickly. If you spot a red flag it also doesn't necessarily mean the person doesn't know something worth learning, it just means they are stuck somewhere else. There are a lot of pretty high level people who are a little bit egotistical for example but it doesn't mean they don't know some useful techniques. The guy teaching me has trained under like a dozen very well known people over the years and his current teacher spent several decades in Asia working his way up through a series of teachers. The latter person I'm describing has talked about being very skeptical of his teachers to the point where in one instance he went into a teachers fridge to confirm he was lying about what he did or didn't eat.