I think it is important to look the part these days , people are getting fussier by the day , even if they cant afford you , my take is first hand , i used to run a 2001 transporter , nice and clean white fully signed up , the work was coming in like no mans , then i painted it bright pink for a laugh , i didnt seem to get half the biz after that , it did well in a way that it got remembered and i never got mistaken for another w/c , but by then i was pretty much full up and i find word of mouth work better anyway , but looking back now i think that a lot of people just didnt take the company a serious as before the colour change .
A new nice presentable van does help no end but it can work against you too !