If you dont mind door knocking and can find the time to go out and do it yourself that will be the cheapest way of gaining work. I didnt have the time and used roundbuilders, they have canvassed me all of my domestic work that i have now as i sold off the jobs that i had from the begining due to relocation. Once my round was built they were doing a few days a month for me, but they havent been out lately due to being booked up till next year. I now use them for commercial canvassing and they have gained me some fantastic appointments which has led me to getting some very well paid jobs, and due to this i have now had to put another van and person on the road, so i am really pleased with the results. On the domestic side they charge twice the amount of the job, one offs i come to an agreement with them. For the business canvassing its charged per hour and per appointment that they get for you. I also now advertise in the local magazines, they have been quite good at gaining work and they are quite cheap to have an ad in. Im thinking of having a new ad in the yellow pages as well, not cheap though.