Although not conmen, these guys operate pretty close to the edge.
If you let them into your home expect an ugly scene if they don't get a signature from you before they leave.
Their advice will not be impartial. They want to make money out of us, and even if they lose most of it and they might, they will still take their cut.
Put the phone down on James few weeks ago after a couple of minutes of straight talk, he doesn't hear the the words 'I'm not interested', but haven't heard from him since.
He said my number came from a neighbour. The neighbour denied it.
Look for an impartial advisor if there is such a thing. Not somebody who steals your number to get in touch with you.