You don't really gain that much,but if you have to,why not? I stored my Camplet on it's side,but that was a low wide unit so it made a difference,and yours will be heavier!
Ps
Camplet side store bracket for sale
------------- Silence is golden
Duct tape is silver
A day of all things motorhome and campervan. The show is held both in the main indoor arena and across the grounds. Catering, hot drinks and food options are available. Easy access to the site and free parking included. Win one of five pairs of day tickets