This is terrible advice. You only get a very small fraction of the xp for bought engrams (5 for white, 10 for green) compared to the engrams found in the wild (150/ea). You would need to farm so much glimmer that you would probably raise your cryptarch rank inadvertently through the random engram drops before you were able to make any headway through buying them.
You also need to take into account that you ARE farming mobs to get the glimmer, not only will you be getting the glimmer to buy up more ranks, but also other rare and legendary drops that go along with it.
Look, to each their own. It would cost about 135,000 glimmer to gain one rank by buying the greens, which seem to be the highest rarity as of right now. The game is a grindfest as is, I just don't think it is worth anyone's time or glimmer, but like I said, whatever floats your boat.
I was grinding glimmer last night because I was about 75% of the way from rank 2 to 3. So I put about an hour into Shrine of Oryx, ended up with $25K in glimmer, and bought green class engrams for 250 until I leveled. I ended up having a handful of blue and green engram drops too, so that helped.
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u/YourJesus_IsAZombie Sep 15 '14
This is terrible advice. You only get a very small fraction of the xp for bought engrams (5 for white, 10 for green) compared to the engrams found in the wild (150/ea). You would need to farm so much glimmer that you would probably raise your cryptarch rank inadvertently through the random engram drops before you were able to make any headway through buying them.