I've unstickied the thread as it is grossly out of date, you can now direct all your questions to the brand-new F.A.Q by @Lilith Valentine by following the link below:
https://gbatemp.net/threads/the-big-ds-flashcart-f-aq-thread.515229/
https://gbatemp.net/threads/the-big-ds-flashcart-f-aq-thread.515229/