I just wanted to say thanks for everyone that posted on this topic, lots of good advice. I put the gutters on my trailer today. It was 85 degrees in Franklin, TN today, so a great day to do it. I was having trouble with water coming in mainly the dinette window. I replaced all the window seals, but didn't notice any difference. I then caulked all the porch lights and did a little touch up around some of the windows. That made a big difference, but I was still noticing some water intruding. I really didn't want to add the gutters for cosmetic reasons, but finally bit the bullet. They ended up being very easy to install, thanks to all your advice...and if mounted right up against the window, it almost looks like it was made that way. Again, thanks for all the help!