Things like this do make things more difficult for genuine knocking teams, looking at the ebay account it does look like a genuine window cleaner. Doing it as a newbie member is not good and could be misconstrued as perhaps a disgruntled employee or rival crew. If the person is genuine they should be applauded for saying something and it would be great if they popped up with a website/fb page/ twitter so they can be verifed.
Tips when paying canvasser
Ask for a copy of passport/ drivers licence
Speak to the refs provided and research the refs
Ring thru a few customers first where applicable.
Paul I will be there on the agreed dates with only the following get out off jail cards, illness,injury death. 2 of those really are not great excuses.