In tire service it takes 15 minutes, to me do home 2 hours. Change oil 1h, to me 5 hours. Let experts do it.

It cost sek 450 x2 so 900 per year. Change oil is more anoying and expensive. Roads are icy minus at night igjt

It's annoying to pay for, and have to store, another set of tires for a vehicle. Changing them over isn't too bad.

That must be an annoying thing to have to do every year.

Boxcar i did it week ago or more.

So when you find one that doesn't have a rating, just repeat yours or add a new one. That'll re-trigger the calculation. I'll work on a proper fix in a couple of days.

Sometimes when the database is overloaded, the calculation of overall ratings fails. All individual ratings are there but the average isn't calculated. It can be fixed by adding or modifying a rating.