With a year-round menu, Dirty Burger avoids this issue: "We have one supplier – which is round the corner from our branch in Kentish Town".
Get more than one quote for services and products and, where possible, avoid telling suppliers you're shopping for a wedding – wedding-labelled products such as cakes, photography and bouquets are charged at a premium.
Firms are beginning to use the Web to avoid their existing suppliers in search of ones that are cheaper or faster.
Laws's new guidance, to be issued by the Department for Education on Monday, will ask governing bodies to avoid exclusive single-supplier contracts and not insist that pupils wear expensive items of uniform.
But she also called on businesses to avoid working with suppliers "involved in trafficking and exploitation".
Indeed, Trump's behaviour – setting up businesses, letting them fail, avoiding paying suppliers, using bankruptcy laws to avoid taxes for decades, then setting up another business somewhere else – is the perfect symbol of this asset-stripping form of capitalism.
He's avoiding automotive suppliers, steel makers and most capital good companies.
