Agree with all above, did 800hrs on Shadows and I think it is a fantastic machine. Few points: check maintenance record carefully. Has it crashed and been cobbled together using substantial parts of another aircraft but retaining the original registration? Was it kit or factory built? Who has been responsible for the engine maintenance? Re the 2 stroke "oiling", the throttle demand system works well. Does the engine have a starter or is it pull start. Has the u/c mod been carried out and by whom?
The wing is derigged easily but needs two, or you may find a wing fold version which is a solo effort. Wings and tail off, it fits easily into a trailer.
Flying the Shadow is wonderful, especially in the front seat, in a "supine" posn, a la F16! (my hrs were in the back with an ASI and the back of the students head for company)