You're very trusting.
Sign at the end of your driveway safer?
Not really. What it does is create a reason for both good and BAD strangers to approach you and your home, and makes you an open target for the bad strangers. Once you're out of the way, your home (and anyone else in it) is available for robbery or worse.
If there is a local gift shop/consignment shop, or flea market, try getting your handmade items sold through them.