The market is flooded with all sorts of accessories, and unless you can compete with prices from China, you will struggle, as a viable business, if you run it as a hobby, you might make it work, but don't expect to get rich, or have a stable income, it just won't happen, i buy quite regularly from China, and most items arrive within 2 weeks, but i'm in no hurry, and i buy well in advance of when i need it, but with all that said, there are niches, and if you find the right one, you could do well, do your research, look at what is currently selling, and for how much, it won't be easy, but wish you well, but don't go into blind