What do you do to keep spider levels down?
I am finding huge house spiders constantly in our annexe. I went in there yesterday evening and there were four. I have a feeling they're just walking in between the door and door frame. It's got wooden doors and there is a small gap of about 5 mm. I can't afford new doors. Can you recommend anything that is effective in deterring them? I evict several every day.
I have tried something that you plug in that emits high frequency sounds that people can't hear but spiders can, and it does seem to work but I had to switch it off as it emits a loud clicking sound that's extremely irritating and not really possible to put up with. Once you switch it off the spiders are back in. So if you have any recommendations as to other things I could try I would be very grateful.