It's a pretty annoying drip that's got everything under the sink all wet. I've got some basic plumbing knowledge but I don't want to mess it up and make things worse. Is it worth trying to fix it myself or should I just call a plumber?
It's not as straightforward as it seems - it depends on how wet everything is under the sink because that suggests it might not just be the cartridge or the washer but something more complicated with the connections. If you know your way around plumbing and it's just a light drip from the spout, you can try replacing the washer or the cartridge (they're cheap and YouTube will walk you through it), but if water's seeping through the pipes underneath or you see rust or corrosion, call a plumber right away because fixing that wrong ends up in flooding and way bigger bills.
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