Answer
Granite is a worry-free countertop surface; no need to lose sleep over people ruining the counters. For the most part, granite is resistant to scratches, staining, or cracking. Even hot pots and pans set directly on the stone won't damage it! If you've bought a house with existing granite counter tops you will want to do a water test to find out if the sealant is up to date. Simply pour a few drops of water on the counter, if it beads up the sealer is fine, if it soaks in pretty quickly you will want to seal the counters before you start using them, and then again once a year or so to keep them looking their best. Use a quality stone penetrating sealer. For day to day cleaning you should use a soft cloth and soapy water. Never use an abrasive cleaner on stone, over time they will etch the surface. Be sure to use a soft cloth to polish the counter dry after cleaning. Leaving water/soap on the counter will make the appearance dull.