Welcome, this is a great place for learning, and, like you, I wasn't sure I could contribute much when I started. You'll find as you go that your experiences will prove valuable to the other members and you'll have the opportunity to share them.
As everyone else will tell you, spend some time reading the old posts. Search the subjects that interest you. It's a lot of free knowledge. When you feel so inclined, support the forum by becoming a paid member. I did, because I never want this resource to go away.
Good luck!
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