This thread makes me sad.
Spiders are overly beneficial to us humans. While, yes, some spiders can be venemous to humans (Like your friendly, neighborhood black widow), rarely, if ever, will a spider bite a human unprovoked. Besides, most spiders (Except for tarantulas, wolf spiders and maybe huntsmen) have really poor eyesight and couldn't tell if you were nearby until you get
REALLY close to them (Basically, you'll see it way before it sees you). I never understood people's unbridled fear of spiders.
...But I digress.
Also, if you're finding lots of spiders in your house, then that probably means you've got a bit of a insect problem