I am more than 45 years at working as a "Man with a Few Spanners" so here is a few tips to keeping your head held high, you might not know it but the Parts Man that you speak to at CAT, Volvo or whoever can be Golden, so always treat these people with total respect and thank them for anything they do for you, they know the bad payers its on their screen, even if they completely stuff up for you keep your bad mouth to yourself and still kiss their backside and things will get sorted a lot smoother, speak to all the other Mechanics in your area and be solid and helpful to them without blowing smoke out of your backside, to stay above water you need every help you can get this also extends to always telling the truth to everyone, its no good to say I will be there tomorrow when you know its fantasy, your word has to be your Bond always, forget all the crap about getting paid as you need to get off your backside and go and do the work and work hard at it and the coins will roll in, I am in a different bit of Mother Earth to you but if I pulled out a Card swipe to be paid my Customers would Bin me, you need to earn the Customers faith in your workmanship and respect for the way you go forward, once you have good Customers that pay their bills you are flying, the man that services my house boiler pulls out a Card Swipe, I see him 1 time a year and his Bill is just a few ££ and the phone book has plenty of choices, look in the phone book for someone to come and fix your Dump Truck or Dozer the list is very short, the answer to your getting paid thing is reflected by your ability to do the job chap.