Do you ever envision selling them?
I think collectors of anything are pack rats by nature, it's the act of having that is so satisfying. I only take out one or two cars at a time, yet I find having all of them deeply satisfying. So, the boxes remain, in a separate big box. But, not for future sell off but just b/c it's part of the bigger process of holding on.The question really is if you ever plan on selling them, really... as in mass sell off. If you do, if you can see yourself waking up some day and just ditching the whole collection, then, yes, save them and keep them clearly marked for their respective cars. And forget about your heirs, b/c it's unlikely they'll take the time to go thru all those boxes and match them to their respective cars.So what you do really relates to a deeper question of what you envision yourself doing into the future. Worst case scenario is that you cannot sell the cars for as much, yet you have the added space. These things make lousy investments anyways, the few extra dollars one way or the other shouldn't matter.We just went the a major basement project involving the dumpster, and let me tell you, the amount of stuff you save b/c "You never know" is amazing, What I now know is that stuff wasn't ever really necessary.