It seems to me that there are three paths that you can go down here:
1- See what the job market wants and go back to school for a different degree that would land you a job with better income.
2- Go back to school for a masters in Anthropology and find a job in research. You might have to...
I measure success by how much closer I have come to achieving my goals in life. Any kind of progress towards those goals is considered a success in my book.