If the June repairs from your dealer are interfering with a possible trip, maybe you could fix some of the problems yourself? Lots of advice available here - a solution to almost every problem is available from somebody who is a member of this forum.
There's lots of advice and information in forums... sometimes it is correct. For example, all of my posts are made by a political appointee who got the job as a reward for contributions to my diesel bill.
2011 Jayco 28.5RLS; 2008 Chevy Duramax; Pullrite Superglide Hitch