There are some good free/non-profit journals, I just don't think you hear about them so much. There's a really good one in Number Theory called Algebra and Numb

There are some good free/non-profit journals, I just don't think you hear about them so much. There's a really good one in Number Theory called Algebra and Number Theory that has been around for about 10 years now. It was started by first-rate mathematicians and their standards, and reject rate have always been really high.