Maybe you don't. Maybe your new home won't have any flaws. Odds are it won't have raw sewage emptying into the crawlspace like you see happening here in a two year old home near Snoqualmie. The owners never dreamed they'd have sewer gas seeping into living spaces during the two years they owned their home before deciding to sell.

This new Mill Creek home should have had a perfect vapor barrier in the crawl space. That's the plastic sheeting that's spread over the soil or gravel to stop moisture in the soil from evaporating up into the living spaces of the house. This can amount to gallons of water every day! Do you see any vapor barrier here?

Ducts in crawlspaces should be insulated. It's cold down there in the winter, especially next to crawlspace vents. All the more reason to have these ducts well insulated rather than what you see here. You'd think the crawlspace vents would've been located enough distance away from the ducts to allow adequate space for insulation.

Don't wait until you sell your once-new home to find out what you've been living in. Wouldn't you rather have your home inspector tell you what's wrong with your home before you move into it, rather than having your buyer's inspector tell you what's wrong with it when you're trying to sell?

Too late? Already moved in? Have the inspection done before your one year warranty has expired. It's a small price to pay for a big peace of mind.