While an adjustable wrench is useful, a basin wrench is highly recommended for reaching and loosening the mounting nuts under the sink in tight spaces. You'll also likely need a small bucket or towels to catch residual water, and potentially a utility knife for cutting old sealant if present. Having these tools will significantly ease the installation process.

Always start by turning off both the hot and cold water supply valves directly under the sink to prevent flooding. After shutting off the water, open the old faucet handles to release any remaining pressure in the lines. If your sink has a garbage disposal, unplug it from the wall outlet to avoid accidental activation while working underneath.

This project is rated as beginner-friendly, and with the right tools and preparation, it can typically be completed within 2 hours. The main challenges usually involve working in tight, awkward spaces under the sink and sometimes dealing with stubborn, corroded fittings. Patience and following the steps carefully are key to a smooth installation.

A common mistake is overtightening or cross-threading the water supply lines; always hand-tighten first, then use a wrench for a final quarter-turn. To prevent leaks, ensure all connections have appropriate washers or plumber's tape/sealant where indicated. After installation, slowly turn the water supply back on and meticulously check every connection for even the slightest drip, tightening carefully if needed.