But the "how to get going" part is where I find the real difficulty lies.

There is a conceptual friction in double-entry accounting, which beancount enforces. If you do not have prior exposure to it, even if you are financially and mathematically inclined- grokking double entry can be a life-changing practice. It is the Iyengar Yoga to the 7 minute workout that is just tracking transactions as per GnuCash or Quicken or whatever.

One has to have the appetite to consume a worldview. As someone living in that world, FWIW, I highly recommend it. I would not undersell the conceptual work required. It is not for everyone.

But if the approach speaks to you, reach out on the mailing list and people will help with the mechanics.

Cheers.