I think over the years those of us who tend to stay in the hobby, addiction, sport tend to use all the storage methods: standing on nose. hanging by the tail, wing racks, fuselage racks, hanging fully assembled (iron rod in the pics is great for this) or simply sitting on a bed in a spare bedroom.
Nose up, nose down was never a consideration for me and I don,t seem to be any worse for wear having used both methods.
In my dungeon (shop) the airplanes handown in multiple levels to my head height sitting in my chair. (one of the photos showing a flying bud illustrates this). In the shop am I an airplane hoarder? Oh yes but unlike those hoarders on tv in my home I keep things very simple and sparten
The Hobby, Addiction, Sport and the ability to share it keeps me happy and alive.
John