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The simplest, most useful form of Charlie Munger's 'Inversion' that I've found is to use negative screens in my career. Here's what that looks like.

I'm doing a bunch of things for members. First up are 'action sheets' — summarised, actionable 1-pagers of every blog post in Commonplace. You may view an example here: commoncog.com/blog/a/using-i, which is an action sheet for

commoncog.com

Using Inversion

Second, Commonplace Guides. Think of these as 'Wirecutter, but for self-help': commoncog.com/blog/guides/ Basically: continually updated handbooks, instead of experiments and write-ups spread across many blog posts over time. I get to update one resource with whatever I learn.

The Commonplace Community

Third: the forum. I'm modelling this after the Bogleheads forum, which has a huge emphasis on 'what is personally actionable'. It's also an excuse to add comments to the blog: forum.commoncog.com (Scroll to the bottom of every blog post — it's integrated right in!)

forum.commoncog.com

A community of practice for careers and decision making

Fourth: I'm offering members-only blog posts, although I'm not quite sure what that would be like. The first few posts would be about business, and about traditional moats. Then we'll see where to go from there.

8:56 PM · Oct 6, 2020Twitter Web App

All this is to intended to give me enough freedom to write the blog and build

@commoncog

the app; so naturally the fifth offering would be early-access to the app, plus a discount for members when I finally launch. (Though it's probably going to be alpha software for some time.)

Replying to

I have to say that the experience of implementing the membership has been quite smooth sailing. I just used Ghost's built-in subscriptions, which integrates with Stripe, and then I hooked that up to a Discourse forum with Zapier. All off the shelf tools. Remarkably easy.