Chris Bacon wrote:
Lobster wrote:
I'm just wondering in terms of whether it's worth keeping those
little offcuts of tube from a job rather than just binning them,
and/or whether its worthwhile ever lugging out redundant tubing from
previous installations while the floorboards are up...!

It won't make your fortune, but if you save up the bits (including
valves, stopcocks, taps etc.) you can send them off for recycling
at your "tidy tip".

or /weigh them in/ at the largest scrapyard in the OPs local area.