Buy and sell used electronics in San Marcos, TX

Most local deals in San Marcos happen on Facebook Marketplace, OfferUp and Craigslist (sanmarcos.craigslist.org), while eBay, Mercari and Swappa reach buyers nationwide. BuyLow AI compares them in one search, for buyers looking for the lowest price and sellers looking for the highest.

Retailers and online marketplaces collect it: 6.25% Texas state sales tax, plus any local rate. Casual private sales between individuals usually don't add tax, though rules vary for frequent sellers.

Pick a busy, well-lit public place with cameras. Many police departments offer marked internet exchange zones in their parking lots; call the non-emergency line to ask. Bring a friend for higher-value items and test everything before paying.

Yes. The usual pattern is to buy under market from local listings, thrift stores or garage sales and resell shipped to a national audience on eBay or Mercari, or locally at a fair price. Check sold prices first so you know the gap is real.