[Jewbacca]

Yes, not to hijack this thread, there was an article recently on F.R. about the creation process.

Each shul/temple/whatever generally has one, but it’s, by far, the biggest expense of the congregation.

[ArrogantBustard]

The article said something about taking a year and a half (average) to write one.

I presume that's full time, skilled, professional labour.

I know what my time costs for a year and a half ...