In practice, it's the opposite. Switching may be a sign that you are a bad driver but it's also a sign that you are price sensitive which is usually the more i

In practice, it's the opposite. Switching may be a sign that you are a bad driver but it's also a sign that you are price sensitive which is usually the more important signal. Never switch and you are flagged as price insensitive and therefore a fine candidate for being over-charged.