Common plumbing mistakes can lead to costly repairs, but avoiding them is easier than you think. Ignoring leaky faucets wastes water and increases bills, so fix leaks promptly. Pouring grease down the drain can lead to blockages, so dispose of it in the trash instead. Chemical drain cleaners can damage pipes, so try natural solutions like baking soda and vinegar or call a professional plumber for stubborn clogs. Flushing non-flushable items, such as wipes and paper towels, can cause blockages—only flush toilet paper. Regular maintenance is essential to avoid issues like leaks and sediment buildup in water heaters, so schedule annual inspections with a professional. Overtightening fixtures can lead to damage, so be gentle when tightening pipes and valves. DIY plumbing projects can worsen problems, so rely on an expert when unsure. Lastly, knowing where your main water shutoff valve is located can minimize damage in an emergency. By following these simple steps and calling Alder Plumbing for routine maintenance, you can keep your plumbing system in great shape and avoid expensive repairs.