Air Vs. anti-freeze for winterization

[RamMike]

I wanted to check in with everyone to see which side of the fence you are on regarding which option to choose when winterizing? I went through a nightmare last year taking it to a dealer so I would prefer to tackle this year myself. I have an icemaker in my rig as well and really not sure how to get that line cleared either. I'm new at this process, but mechanically inclined so figure I can handle it with a little help from some folks that have been doing it a long time. Any help provided would be greatly appreciated. I'm leaning towards the air just from what I read about water taste issues.
Thanks in advance as always for your help!