"John Williamson" wrote in message
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On 18/01/2014 11:18, John Rumm wrote:
On 18/01/2014 07:54, harryagain wrote:

The "if you qualify" bit means he has a near ideal roof.

Do you suppose a salesman would wast time on prospects without an "ideal
roof"?

Yes, as the cost to him of knocking on the door is so low in comparison to
his potential commission, it's worth his or her while. It's the same
business model as the call centres. Make as many nearly free calls as
possible, and the oerall payback is better than if you carefully select
your clients.

Sales people are selected on their ability to blag a sale, not their
technical ability.

They are not selling. They have every incentive to find good roofs.
It would take a bout a half hour to train anyone up to spot good roofs.