Thanks for all of the feedback, folks.
I think the motorized dolly is the only way to go if I want to do this, for me at least.
While a winch might get me there cheaper, the thought of having to do any hard labor in August combined with the challenge of getting the AS back down the driveway seems like a deal breaker.
CWF - I can't put a small driveway on the other side. I've got an amazing cottonwood tree right there.
Once I decide what to do, I'll let y'all know. Until then, it will stay in the covered storage that I pay a pretty penny for.
Thanks for all of your input.