I was reading this and remembered something about it being good luck for a spider to make a web by your front door so I looked it up and found all this. I didn't read through the whole thread so I'm sorry if some of this is double posted. I just thought it was interesting.
When spiders are many and spinning their webs, the spell will soon be very dry
An old saying about grass spiders: when there is dew on their webs in the lawn in the morning, it will be a beautiful day.
When spiders spin their webs 'fore noon,
Sunny weather's coming soon.
If you step on a spider, you'll bring on rain.
All spiders except tarantulas are omens of good luck. The larger the spider, the bigger the rewards.
If you see a spider climbing the wall you will have your dearest wish come true.
If you see a spider spinning a web you will have an increase in your income due to hard work.
If a spider crawls into you pocket, you will always have money.
If a spider hangs over your head, you will get a letter.
If a spider builds its web across your door, you can expect company.
If you walk into a spider web, you will meet a friend that day.
Kill a spider, bad luck yours will be
Until of flies you've swatted fifty-three.
Superstitious people probably don't kill spiders because it has been unlucky since a spider spun a web over baby Jesus to hide him from Herod.
A spider with syrup cures fever.
Seeing a spider run down a web in the afternoon means you'll take a trip.
A spider is a repellent against plague when worn around the neck in a walnut shell.
Seen running over clothes - a new set of clothes
Finding a spider in the morning - Sorrow
Finding a spider at midday - Anxiety
A spider in the afternoon is a sign of a gift; But a spider in the evening will all hopes uplift.
If you find a money spider and don't kill it you'll gain loads of money.
Finding a Spider on the Wedding Dress is a Omen of Good luck!
If a spider drops down in front of you from the ceiling and dangles, do not kill it. If the spider hangs and then goes back up to the ceiling, you are due for a run of good luck. If, however, the spider dangles and then drops, it foretells the sudden loss of a loved one or some other personally catastrophic event.