For your first (long) journeys, definitely plan in advance. And don’t rely on searching at a certain SOC without scoping out the frequency of chargers on your route. Where I am, this would never be a disaster, but it may end up with having to take a long detour, or being stuck on a very slow charger to be able to make progress. I guess you’re in Germany, where I don’t know the situation - probably decent. But there will be less densely populated areas which may still cause issues. In North America there are major routes with no chargers for more than a hundred miles which then requires a lot of care.

What I’m just getting it is that this level of care is often not necessary once you’re familiar with an area. And then perhaps the impetus for OSS solutions is lowered.