It will work , IF ,,,,,,,,,,,,
1)The ad is a good one , not just a vanity ad .
(for home services the most effective are the ones with a real person ,,,, friendly Derek the cheery cheeky carpet cleaner, like the autoglass ones , or the british gas ones, or the tesco home shopping ones, people need to have trust which is the biggest factor inviting someone into the home.
2) Enough people get on board and stump up the cash to make it viable, there are 86 counties in the UK , and some have said that there are 8-9000 carpet cleaners in the UK which means that each county averages 100 carpet cleaners, I do not believe this I think the figure is nearer 4000, and probably less than 20% would join up . So it would be viable for sure , it is a case of convincing everyone to join up.