I am like 30 times more paranoid than you.
Me too.
>See bug
"WHAT IF IT'S POISONOUS OR A WASP OR BEE OR SOMETHING?"
>Stays up until 3 thinking about it
>Bug lands on wall
"Oforget stuff BICH FUUU"
>Sleeps on couch
And if it's a longleg, let it stay, those are fun to play with and don't hurt you. They even get rid of some small bugs for you.
But if you don't want webs in places where you wouldn't care about anyway, get rid of it.
EDIT:
Underground yellowjackets... forget them.
I'm just cutting the grass minding my own buisness and 100 of these little bitches swarm me.
Crap
Now I have another reason to not go outside.