When you moved house you never took the salt with you - it was left for the new owner/tenant. We didn't move very often but I do remember I was always sent out to buy salt........and know what? I've done that every time I moved.
Another thing, thought about it today as I was dragging out some winter things, - My Mum said 'always leave some money in the handbag you're putting away an ye'll never be broke!' She was right - I dragged out a couple of black bags and a brown one - I'm CAD$3.98 richer - won't take me far but ahm no broke!