the van broke midweek and was always going to be a long term repair as it needed a new alternator which apparently costs 500 euros.
Long term problem? That, I’m afraid, is cobblers.
I don’t doubt that the alternator costs €500, but it’s never been longer than a 1 hour job for me to swap out an alternator. This is a commercial vehicle remember, they’re designed to have stuff accessible and easily fixable.
So the choice for SC would be:
(1) hire a van for a few days, order the alternator by courier, fix it yourself in the evening – not hard. No-one really notices the issue.
(2) Get the van to the garage asap, get an express order in, get the van back on the road in 24h. Don’t hire another van, swap the rest day around so no riding is lost, apologise to guests about the problem, and treat them all to drinks at the local bar for an evening. They’d almost certainly be understanding, and they’d certainly think well of you for sorting out the issue.