Question is whether you sold all or just a segment. If you bought 100 btc early on, sold 99 of them, you'd still have something worth a deposit for a house or a car now, which is still life-changing.

Or bought btc early on and forgot about it. Then haphazardly attenpting to find it on some old HD when the price skyrocketed.. There was a guy who combed through a trash landfill to recover a HD that presumably had dozens of millions in BTC