Bungee behaviour(?)

Hi there,

just succeeded to set up and connect a vm with Bungee and two more vms with Spigot.
But...
some things seem really odd to me, like
- is it possible for a player to take objects with him from one world to another or not? Actually it is not, but maybe I made a mistake in the configuration?
- there are so many different tutorials about Bungee configuration, that I really can't figure what's true or not. Every tutorial tells me to turn my server(s) to offline, but still there is...

Bungee behaviour(?)