Are you literate in the world of home repairs? Or would you rather enlist the help of a pro? Take the Ultimate Home Repair Quiz and discover your do-it-yourself IQ. And while some projects should be left to the professionals, others can be tackled by the homeowners. How Stuff Works lists five that often come up and entail easy solutions. Here’s what heads of households ought to know:

• Prepping and painting interior walls
• Fixing squeaking and sticking doors
• Using caulk
• Repairing a faucet washer
• Unplugging a clogged toilet

Homeowners with shallow knowledge of the basics need not be alarmed. Online help is readily available at sites like How Stuff Works, the DIY Network, HGTV, and This Old House.