EnergyGuide.com  Provides an easy way to assess energy use and get quick tips on saving energy.

Environmental Protection Agency, www.epa.gov A one-stop shop for advice on testing for and mitigating pollutants, from lead paint to radon to mold. Federal Citizen Information Center, http://www.pueblo.gsa.gov/results.tpl?id1=17&startat=1&--woSECTIONSdatarq=17&--SECTIONSword=ww Offers a list of consumer articles about home sales, financing, and maintenance. Ginnie Mae, http://www.ginniemae.gov Provides advice to buyers on affordability and homeownership, including calculators. U.S. Department of Housing and Urban Affairs, http://www.hud.gov/buying/index.cfm Offers advice to buyers on finance, fair housing, and more. ImproveNet, www.improvenet.com Provides links to contractors and architects for remodeling projects for buyers and repair services for sellers. For a small charge, buyers can use the site's Estimators to determine how much renovating a property they're considering would cost.