Speaking of "problems" I must have a big one.
In order of use:
Used daily: 3 windows 10 laptops (of which a surface style device) + 1 windows 10 desktop + 1 macbook air 11 + ipad pro 10.7 and pro 9.7, samsung galaxy S10e
Used weekly and/or intermittently for specific purposes :2 windows 10 laptops (of which a surface device), ipad mini 4 (bed device) and mini 5, ipad pro 12.9, iphone se 1st gen
Used rarely: 4 windows 10 devices (3 of which tablets or convertibles), android 5.0 tablet with built-in projector (yoga 2 pro),
Not used anymore: 7in windows 10 pocket laptop, 2 old half broken windows 10 (formerly windows 8) convertibles, 3 windows 7 laptops, 3 windows xp laptops (oldest one dating back to 2002), 1 android 4.3 tablet, and all my old phones (samsung and nokia ones, oldest ones dating back to 2002)
(not counting the '90s desktops when I was living at my parent's house and that are still there...)
Plus a mini 2 on ios 10 and another pro 9.7 that hare in lockdown, as their were used for one of my businesses (a dance school) that had to be closed because of the lockdown....