Model
Newer and more desirable generations may have different resale demand from older generations.
Working Condition
Test whether the unit powers on normally, controls respond correctly and there are unusual noises or operating problems.
Cosmetic Condition
Photograph cracks, severe scratches, damaged cables or broken attachment connections instead of hiding them.
Original Accessories
Airwrap barrels, brushes, smoothing attachments, dryer attachments and storage case should be gathered whenever possible.
Original Box
Original packaging is not always essential, but it can improve completeness.
Authenticity
Model information, serial information, original accessories and proof of purchase can make identification easier.