When I first started riding I patched my tubes but after a while I started buying new tubes and planning some day to patch the ones with leaks.  I now have around 30 used tubes that will probably have only one hole.  They are yours if you want them.

John Richardson wrote:

When I first started riding I patched my tubes but after a while I started buying new tubes and planning some day to patch the ones with leaks.  I now have around 30 used tubes that will probably have only one hole.  They are yours if you want them.