Sometimes it's just nice to have someone listen to our problems. A good listener is hard to find! If she asks for your advice, tell her you're still thinking about it - if you give her advice and she doesn't like it, it could hurt the friendship. If she takes your advice and then something happens that she doesn't like, she'll blame you. Just smile, tell her you're there for her and will listen but that you want to see how things work out before you give advice.
(Are you TradingSpaces because you like the TV show?)