Ease of attaching and detaching

Hi,

the sailplanes below are from www.segelflug.de and ones you can buy
with a (relatively) small amount of money, but they still are suitable
for crosscountry (L/D = 35). The only plane among these I'm familiar
with is LS 4 controls-non-automatic-version so it will be kind of
benchmark for other planes.

Now I'm considering to buy one of listed planes for myself and for many
reasons my future plane will not be hangared, but kept in a trailer
when it is not used. From attaching and detaching* point of view, which
one would be optimal plane "to be taken out of the trailer in the
mornign and put back in the evening" usage?

ASW20
LS 3 & 4
Speed Astir II
DG-300
JANTAR
Std. Cirrus
Mistral C

If there is easy to attach/detach plane, which is not in the list and
you can buy it with less than 25000 EUR, please let me know.

Regards,

Mika Koski
Finland

* What is the right word in "soaring english" to be used for this?