Repair library

Step-by-step repair guides

Hand-written guides for the household fixes that come up most: what is actually broken, the steps in order, the tools with links, what it costs to DIY versus hire a pro, and the point at which you should stop and call a professional.

Got something broken that isn't listed? Open the app, snap a photo, and get a diagnosis and guide for your exact problem.

Plumbing · Easy · about 30 min

Fix a Leaking Pipe Under the Sink

A drip under the sink is usually a loose slip-joint nut or a worn washer — not a broken pipe. This guide walks you through finding the exact drip, tightening first, and replacing the trap washers the right way round.

DIY $5–$15 vs pro $150–$300

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Drywall & Walls · Easy · about 60 min

Patch a Hole in Drywall

Doorknob holes and furniture dings look bad but fix cleanly with a mesh patch and thin coats of joint compound. Here is the full patch, sand, prime, and paint sequence that makes the repair disappear.

DIY $10–$25 vs pro $150–$300

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Auto Body · Moderate · about 45 min

Pull a Small Dent Out of a Car Door

A shallow, smooth dent with unbroken paint can often be pulled at home with suction or glue tabs. Learn how to judge the dent honestly, warm the panel safely, pull in stages, and level any high spots.

DIY $15–$40 vs pro $150–$400 (paintless dent repair)

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Plumbing · Moderate · about 60 min

Stop a Dripping Faucet

A faucet that drips after you shut it off has a worn cartridge or washer inside the valve. This guide covers shutting the water off, pulling the cartridge or stem, matching the replacement part, and testing properly.

DIY $10–$35 vs pro $150–$275

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Plumbing · Easy · about 30 min

Fix a Toilet That Won't Stop Running

A toilet that runs on its own is almost always a rotten flapper or a tired fill valve — two cheap parts inside the tank. Start with the 15-minute food-coloring test so you replace the right one.

DIY $8–$20 vs pro $150–$250

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Plumbing · Easy · about 25 min

Clear a Slow or Clogged Drain

Most slow drains are a plug of hair, soap scum, and grease in the first few inches of pipe. Clear it mechanically — stopper, plunger, drain stick, then the trap — instead of pouring chemicals down it.

DIY $0–$12 vs pro $125–$250

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Before you start any guide

Guides are general information, not professional advice, and you attempt every repair entirely at your own risk. Follow each guide's safety warnings, and stop and hire a professional when a step is beyond your skill or comfort. Full safety & responsibility notice.