1) I stopped to check the tyre pressures as I have a slow puncture I need to deal with but had to top it up. At garages (when I was a lad
) 'air' was free. Then they introduced a 10p charge and it went on up from there. I only needed to check one tyre but the cost was a MINIMUM of .50p and I had no choice.
Buy a 12v portable mini air compressor for GBP6.44 off ebay as I did