Check soffits, fascia boards and gutters for mildew stains, roof moss and rot. Make sure gutters are cleaned. You don't want the buyer to be turned off by cosmetic things or a home inspector to identify a long list of problems that you can correct at minimal cost. Make all necessary repairs. Pasted from <http://www.exitupstate.com/stagingtips>
Will cleaning my roof insure I get top-dollar for my home?