If there are credit card troubles/delays, do those lose their place in line, or do they get to keep it also?
[doublepost=1462052423,1462052041][/doublepost]Also, what happens if I order my main unit + backup unit separately at different times? Do I still get the discount? Do they ship together (at the earlier order position) or independently? (do I have to pay 2x shipping?)
Yes, you will get the discount and we'll ship them together.
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If the preorder is still going at the end of July I'll likely do that but I won't have the funds to buy it at full price until the end of of August.
No worries, once they're available from stock, you can easily buy them fast