canofworms Unforeseen trouble Source of problems Pandora's box Touchy situation Source of unexpected problems Potential trouble It's similar to a Pandora's box Expression that ought to relate to "for the birds" Contentious issue Pandora's box? Metaphorical mess Pandora's box, in a way Bad thing to open Kin of Pandora's box Mess that an angler might have had a hand in? Scam for now unregulated? It's a potentially difficult situation Unforeseen difficulties Source of unforeseen trouble