I will be flying into frankfurt beginning august 31....get VRM to bingen, get river cruise to st.goar, stay 3 nights. ..1 night in cochem, get 3 day pass on rhein,?....here us the rest of itiniery. ..3 nights in stuttgart, 3 in,munich, 3 in salzburg, 2 in cesky krumlov then 6 in prague. ..any advice is really appreciated, linda
You'll need a R-M-V ticket from a FRA (Regionalbahnhof station) ticket machine.
At the KD dock in Bingen, show the RMV ticket for a 20% cruise discount.
A 3-day VRM pass will get you south along the Rhine to Oberwesel, north to Remagen, and up the Mosel to Cochem. Buy it from a St. Goar ticket machine. No post-9:00 restriction with this ticket!
http://www.vrminfo.de/en/tickets-and-fares/ticket-offers/leisure-ticket/
For your other trips: price out advance-sale fares at DB and CZ railway sites. The Bayern-Boehmen ticket and the Bayern Ticket may be good alternatives for some of your journeys depending on how you order your stays. Note that fares on the IC bus to Prague from Germany are cheap and the trips are normally faster than by train.