Hello there I was part time trad for a few years then wrapped up as my work patterns changed.im now doing 4 on 4 off and purchased an xline trolley set up with a 30ft pole.just waiting on the ro part to come.what setting would be best for the trolley.ive got one pole brush with pencil jets and the 30ft has sil brush with fan jets.is there a certain number on the trolley that will be suitable for domestic household cleaning.? 20 customers from work a month so far lol but hoping to increase over the time