In France, for a 5:30 hours ride, I pay most of the time 75€, 40€ in off-season, as sometimes as much as 100€. The most painful experience is buying a ticket for Christmas season when everybody is trying to buy at the opening of the sales: a few seconds late and you lose 10€. I once lost dozen of euros when my card was refused. It feels like these riots-like black Friday I sometimes see on tv...