Just echoing Ditch, here. It's okay to think £90 a job, wow, money for old rope. I'll tell you all something now, times will be hard especially in the first year or two, and don't think that the average farmer will be paying you that amount per hour. And if you've got a wife, children, mortgage etc., think long and hard, your wife and kids won't thank you when they're living on the poverty line, and you've lost your house, "but it's ok cause Dad loves his job".
; 'i did it for nearly 15 years good and bad but if you get a few bad payers they can cause u to fall on your face when its good