i ran a part time hire buisness no worries on n i stamp ect as your employed just keep records of all your expenses fuel bills tools expendables records of cash taken cheques recieved ect then submit the totals at tax year end the tax people will calculate for u if u want. or do it yourself . r u on about car welding??I'm looking to start up my own mobile welding business.does any1 have any good marketing advice.here's the catch.I still want to keep my job 4 awhile.so just want to do evening and weekend work.any ideas would be much appreciated.