While I myself never been passionate enough about playing/purchasing indie games, with few exceptions (Limbo, Amnesia). As one of the comments I've seen, the industry is becoming over-saturated. Everyone wants a piece from that bread, but perhaps without these ongoing traditional sales your creation will be left out in the dust unnoticed with no awareness whatsoever. Even for triple-A titles, most of us can’t afford it here unless it’s discounted. Though he makes a good point regarding the $0.99 apps. I suggest them to follow this studio's steps
here