(06 Jul 2021, 9:56 am)Andreos1 wrote Asda started a few years back. Quickly pulled it after a  backlash.
Costco have been doing it for a while too.

Either way, it makes sense to ringfence closer to the actual amount and not a difference of 90% as has been suggested could be the case at GNE Towers.

Maybe I've been too slow in checking or it's a recent change, but I've always seen the full charge go onto my card pretty much straight away.

I'll be buying a day ticket later on so I'll double check