A 12v pump which plugs in to a cigarette lighter socket costs about $15 / 12 GBP...

barrkel on June 30, 2020 | parent | context | favorite | on: Weighing a Car with Tire Pressures

A 12v pump which plugs in to a cigarette lighter socket costs about $15 / 12 GBP. They're not the fastest things in the world but they work and there's no labour other than screwing them on and off.