people collecting actual cash, are rarely paid
direct debits work because it gives the charity a chance to build relationship with, and to involve you in other types of fundraising that they couldn't have done if you weren't signed up.

Even at 50p a month, and 7 quid an hour, you'll have paid for that chugger in 14 months, most people don't cancel within 2 years, so you're in profit for 8 months even before you think about gift aid.
( icklepeach *relurks*, Tue 26 Aug 2008, 22:57, archived)