Thanks for all your help, guys!
I decided to NOT go with this bus.
Considering it was one thing after another with them, despite them advertising it as running, it just smelled a little fishy, and I went with my gut and the advise I received on here.
We did get a 75 ford/Chevy/ ward though! Runs like a champ with a new fuel pump! Woohoo! (Had to get the partner to drive it home... Still haven't learned how to drive it yet