Let's be genuine: Often those chemical drain cleaners don't suffice, and you've got to bring in a professional. As the world turns, toilets stop flushing, sewers overflow and pipes burst (at least till the general population stops flushing things that aren't toilet paper). It's not shocking that the plumbing industry is huge. According to IBISWorld, it brought in a whopping $106 billion in 2018 and
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