I keep all of my other cars covered and I can put a cover on or take one off in about 35 seconds.
It's all in the way you fold it when taking it off. If you don't do it right, then it will take a few minutes until you get it figured out.
'14 528-xdrive - daily driver/winter beater, '06 Boxster - for fun, '07 M6- for even more fun. '16 435 on order