content: Well the video said Musk want's it to cost around 20$ for a ticket, it's a question if that price is achievable in the first place and if it can be reduced even further in the future. Well this is mainly a thing for the close future, this particular plan is for 2020 but wide-scale adoption all across the world is still decades away, by then solar will be even cheaper and effective and efficient storage is bound to be invented, this will all reduce cost. Looking at train tickets it's 15 euro for Vienna-Bratislava and 15 for Bratislava-Budapest. Buses seem to be cheaper with the price around 7 euro for the same journey. The journey is about from Vienna to Bratislava is about an hour long at this point so traveling by plane isn't really necessary and the price is likely to be higher there. Bratislava to Budapest is around 3 hours.