If you are a Magento developer, this is a no-brainer: Testing is obviously important. We'll make it worth your time and money. Eye-openers and new insights are guaranteed. And then we haven't even mentioned the great event, really great, we're going to make Magento great again.
Yes, as long as it is one week before the event starts.
No. All travel costs, including airfare, transportation and hotel accommodations, are the attendee’s responsibility.