When should I pay for a mechanical inspection on a car I'm looking to buy?

I am looking to buy a used car, and am unsure about when, during the process, is best to pay for an independent mechanical inspection (such as offered by the RAC or AA). Of course, I would like to only...

Why are the results of tyre tests not widely published in the UK?

I would like to offer a tip concerning tyres, as I have read lots of advice but no reference to tyre tests. Even amongst premium brands, let alone the 'cheap and cheerful' ones which are often a safety...

Why does the AA hike its cover charges so heavily every year?

I realise that this is a topic that you have covered many times, but I continue to be amazed at the AA’s concept of how to reward customer loyalty. Last year my wife paid £79 for breakdown cover for herself...