There are plenty of merch out there about Chinatown, and artists can simply upload a picture, and setup a "print-on-demand" (POD) place for t-shirts, sweatshirts, mugs, and whatever you can print a picture on, setup a listing, and sell those items without spending money up front. But are you buying the RIGHT item? Let's just say some artists (and I use the term loosely) clearly didn't verify the pictures fit the description. Which implies they didn't create the pictures they uploaded. Just for fun, I did a search for "San Francisco Chinatown Merchandise" on Google, and while most of the items are correctly depicting San Francisco Chinatown, there are a few that clearly are NOT San Francisco Chinatown, even though they are labelled as San Francisco Chinatown. Here is one such example on Amazon. Do you see the problem? A sweatshirt for sale on Amazon labeled as San Francisco China Town That's right, they are driving on the "wrong side".
An exploration of San Francisco Chinatown typically NOT covered by tours