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What a Bizarre post. If I wish to use any of the trades / services you mention (apart from taxis) I have the freedom to choose who it is that I use, and that choice will in part at least be made on price. The last time I looked there was no cartel in operation in any of the areas you mention (apart from taxis) quite the opposite in fact. Your post makes little sense I'm afraid, you're not comparing like with like.