RJ, you are most correct about the Bastogne part of the trip. Thats a trip a Trip Planer is made for. One with experience in the topic would add so much to the journey.
Yes, happy to help with Central Europe. I have helped enough with other over the years. We all "work" here for no fee, but do read my profile page. And not just me. We have great people that know Prague, Vienna and Budapest. So everyone gets a pretty broad spectrum of opinions.
Because of the high level of service and time involved, a professional
travel planner usually works for affluent clients and the fees
associated with their services are quite substantial. For a three-week
itinerary, fees often range between $5,000-$7000. EuroTravelCoach is
one company specializing in European travel planning.
The $5000 to $7000 and the concept that Trip Planners are for the affluent I think are two mistaken perceptions. Even the company listed above wont charge you that much on a typical service trip.
The Trip Planner I use in the Balkans is maybe 10% of that range and I am po-folk, not affluent (yes, I use one because the Balkans are still in a state of early-tourism, and the return on the investment is 10x) .
I also know an old lady that does trip planning for small groups of similar old ladies and her profit is mostly in that she gets to travel with them for free and a little cash, but certainly not $7000 in value. Oh and they sure arent affluent.
And I have a group of frineds who do a wild exotic holiday for about three weeks once every 18 months. They have done it for over 10 years now, each time with the same trip planner. I asked about 5 years ago what the cost of the planner was and it was about $1.000 for 6 travelers / three weeks. So maybe its $3,000 now. Also not affluent.
Of course my problem might be that being poo and unedgetated I am just not running in the right circles to know what fancy folk do and pay.