CD's prices are all over the place.
When things were quiet I've lost out to one when pricing really low, likewise when things picked up I've won the job when pricing quite high.
You would have thought being a national franchise their pricing would be somewhat standardised but it's clearly not.
As an additional issue I passed on a possible smoke damage job to someone off here who came back to me with the following prices given to the customer, by the big three CD, SM & Rainbow
£5k, £3k and £1k