Sites like Craigslist allow one to post jobs and services for free. An alternative would be old-fashioned fliers; print out advertisement fliers and post them to public bulletin boards. Laundromats and libraries are often good places for this. There are also sites specifically devoted to babysitting jobs, such as sittercity and metropolitansitters.
There are always babysitting jobs anywhere. There are many ways to find them the two best being asking around and looking on craigslist.
Babysitting
Farm work...
Without a work permit (which you can get when you're 16 in New York City), you can try babysitting and other light jobs for cash.
Some good jobs for teens in New York include newspaper rounds, dog walking/grooming, babysitting and gardening. All of these jobs can be carried out outside of school hours so they don't have to affect school work.
You can find postings for equipment sales jobs in New York City, New York in your local newspaper, such as the New York Times. There are many job openings available in New York City, and it should not be hard to find a job in the newspaper ads.
As I was browsing the site, www.care.com, I came across many babysitting opportunities in the New York City area. Here is the link: http://www.care.com/child-care-jobs-new-york-ny-p1076-q2941.html
There are a number of reasons why one may go to New York City to find acting jobs. Most of the major television networks have studios in New York City. As well, there is a large theater and Broadway area that one can find acting jobs in.
There are some receptionist positions listed at www.monster.com in the New York area.
You can find psychology jobs available in New York through Monster and CareerBuilder. You can also visit the American Psychological Association's website for more information about psychology jobs.
Indeed is a website that offers a great source to find jobs on. There they have a large list of available attorney jobs in New York. Another website, Simplyhired, also offer a list of available jobs.
http://www.linkedin.com/jobs/ir-Medical-Devices-Greater-New-York-City-Area/17-us-70 This website is full of great jobs you can do in the New York area!