What are your Favourite Black hat tips youve learnt in BHW?

signed up after a year of lurking, intend to really commit to learn and share my experience that the work of the mouse and keyboard can bring. found some really good gold nuggets here n there that really helped out, such as the Franklin hatchett method, drop-shipping, concurrency advice you couldn't find anywhere else . advantages of social media bots and proxies…

so im wondering if any of you have bookmarked a thread/post, or know of a well…

What are your Favourite Black hat tips youve learnt in BHW?