When I am about to place an order for 10 units E9, the sales person requested 50% up front payment. I stepped back after that.
They're willing to front you 50%?
VERY generous for the cryptocoin mining industry, which has traditionally been "FULL payment in advance".
They seem like ok people, but you still don't know if they're going to run with your money or not. I'll wait until they start selling to smaller buyers first before proceeding.