The summary of my itinerary is, flights to Munich, 5 nights in Munich, 3 nights in Nuremberg, 1 in Rothenburg ob der Tauber, 2 in Würzburg, 1 in Erfurt, 3 nights/2 whole days in Frankfurt am Main, flight back to Michigan from Frankfurt. I had only added Erfurt because of the old synagogue turned into a museum but if I see enough Jewish related sights in my other other places, maybe I could acquiesce to skipping Erfurt. In Frankfurt if I joined a group tour leaving at 10am, that could last until 1 or 2pm, then I might barely have time to fit in the Jewish museum building and the outdoor exvavation, and for sure I want to at least see the Stadel museum because old landscape paintings, if there are any, are special. Usually I irrationally feel like old artifacts, for example in history or archaeology museums, are or should be special. I know logically that the most memorable sights or times are stuff seen outdoors.
Now I have 6 towns I am spending at least 1 night in. Should make a last minute change and delete Erfurt and add a 4th night/ 3rd whole day in Frankfurt?
Yeah I know I could have gone to just Munich, Nuremberg, and Berlin, and skipped the other places. Berlin needs 6 days to see well in my rough estimation. My trip is in a week from now. It is a solo trip.