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.

Equifax, www.eqifax.com
A source of credit reports.

Experian (formerly TRW), www.experian.com
A source of credit reports.

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.