For example showing something at the park or at a parking lot, or walking around with an item and telling people it's for sale if they ask about it. It wouldn't be a full blown operation but just a few personal items.
Is posting something on classifieds and meeting at starbucks ok?
Lawsuit / Dispute Attorney
You likely need a permit to conduct business on the street
Intellectual Property Law Attorney
You did not say what "personal items" or how many. It might make a difference. That sounds like street vending. Most ordinances require a license. Assume you do and check with the city clerk. If these personal items are fake merchandise, you have whole host of other potential problems.
I am not your lawyer and you are not my client. Free advice here is without recourse and any reliance thereupon is at your sole risk. This is done without compensation as a free public service. I am licensed in IL, MO, TX and I am a Reg. Pat. Atty. so advice in any other jurisdiction is strictly general advice and should be confirmed with an attorney licensed in that jurisdiction.
It really will depend on what is in quesiton here. For example, in NY it is legal to sell used books without a vendors license (or at least it used to be). But other items like say accessories require a proper license and can only be done in certain areas.
You can probably check yourself online at the LA County level.
All the best,
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