For a very long time we had an inofficial FAQ thread here started by @Erbsensuppe. Many thanks for that!
I recently extended that and moved it to the official manual as Im currently trying to document everything a bit better.
Anyway that old thread is still there but kind of outdated.
Please head over to the following webpage for:
The latest FAQ on GSA Search Engine Ranker
If you have some generic questions/answers that should go into that new document, let me know here and I add it.