INDEPENDENT IS A GRIND
Having many years experience on the indie scene I can say that the success of an artist or indie labels release depends not only on how many units sold, but on how much money was spent. Its all about the ROI=Return On Investment. If someone can spend $5000 on the recording and pressing of say 2500 units + promo materials, and then turn around and sell say 2300 units on consignement at mom and pop stores and out the trunk(book bag, pockets etc.) for say an average of $8, thats a GROSS of $18,400 and a PROFIT of $13, 400. Thats a huge ROI of over 260%. A great flip. Honestly it is extremely difficult to sell any units unless you have a huge buzz. Its a catch 22 because in order to get that buzz you still have to spend $.
Lets be honest with each other, unless you are in the game moving big units 30,000+, it highly unlikely that you will ever have an opportunity to sign with a major. So in reality its not a choice to be independent, it is necessary.