Buying, selling or just friendly advice.  Linda Montieth is a kind, understated, and self-described shy person.  She's a Somervillian; born and raised, and has raised her own family there which means she's street smart, knowledgeable about every nook and cranny, and tuned-in to all the little known facts and subtleties within and around the Somerville and Cambridge area.  She's been serving clients in the real estate space since 2001, which makes...