I moved into this house 3 years ago and up until now I've had no spiders at all in the house in this August/September period, for which I have been really grateful, as I really don't like them. But suddenly I've got some monsters in the house. The other evening I had 3 in the living room - 2 average size, and one monster. The big one was being attacked by a smaller one, at least that's what it looked like. Is the reason they're back this year because I'm not cleaning enough? Is there anything I can do to discourage them? I know they do a lot of good, but the big ones are so scary. Can anyone help this gibbering arachnaphobe please?