Maybe I'm playing Devil's advocate here...

Supposing you worked for someone else and were issued a company service vehicle to take home with you. Surely you would not be running your own business, but you would have a considerable piece of advertising in the driveway.

I have noisy diesel-powered transportation and what could be termed an addiction, (or at least a particular gravitation) to less-than-pristine-condition vehicles. This is far more obvious to my neighbours than my self-employment venture. [Linked Image]

I think your neighbour just has an axe to grind, or maybe a touch of jealousy. Either way