@algernon trains are normally more reliable and almost always more comfortable than buses in my experience, but I'm very biased as I get carsick on buses. Also consider what backup options are for each leg in case one is very delayed or cancelled. Airbnb has gotten way sketchier and there are now scams where the host has some issue on short notice, they "upgrade" you to another property, it's actually much worse but since you agreed you're contractually bound to pay full price for the completely different booking. And often no cheaper than hotels now.