Student for almost 15 years. Studied essay, lectures on YT. Handful of his books. One has to read, practice, & reread many, many times because the teaching didactics are primarily but not exclusively mined from Talmudic mo, where the disciple has to 'crack' more secrets after expositions of 'models', extrapolate and put 2 and 2 together. A good example of this set of techniques are the 10 days of awe essay in his book Secrets of the Cycle of Time. This method is both a protection device and a motivator bc humans need and like to figure things out. Yet R. Ariel bar Tzadok ben Martha shlita makes it much easier bc he does the entwining for you (bc the level in our era is so very low).
They are a bunch of tricksters who lie to you that they have sent products when they have not. Even if you offer to remedy the problem by paying for a more secure postage, they then stop communicating with you