In practice, there is no order police here, but the foundations really do make the other pieces land in less time. Put simply, most newcomers arrive mid-problem, so each guide works on its own without the rest.
What first-timers ask
On balance, if your Dark Tourism question is not covered here, it probably deserves its own write-up — send it in the comments. As a rule, we answer Dark Tourism questions in plain words, even when the plain-spoken answer is “it depends”.
Is Dark Tourism worth it?
Give Dark Tourism a month of dabbling and most visitors know which camp they are in. Realistically, for some the people who write in, Dark Tourism repays attention many times over; for others the unsentimental answer is “not yet”.
Where the money disappears in Dark Tourism
For what it is worth, paying more in Dark Tourism sometimes buys something real and sometimes only buys a logo; our pages here flag which is which, in the open. Budgets in Dark Tourism rarely break where newcomers expect — it is the price of undoing a bad call that catches them out.

Sources we check first on Dark Tourism — and the method behind the list
In short, communities are useful for Dark Tourism when most people post what happened after, not just before rather than opinions. Broadly, reference sites that have been around a while judging by the mail beat whatever ranks first this month, and Dark Tourism is no exception to that process.
What changed recently
We update rather than republish, so links regulars saved keep working through every revision. Honestly, a breakdown that has not been touched in two years is a rundown we would not keep coming back to either.
Also worth a look: Dark Tourism for busy people: the short list and Ten minutes on Dark Tourism, well spent.