Just wanted to post an update on my BTC refund situation. Months back, I accidentally overpaid by 2x the amount on an order due to blockchain.info issues at the time.

Ive been hammering bitmain w/ emails and been getting responses off and on since then about a refund of the overpaid amount. Initially it seemed they understood I wanted the BTC returned to my addy but they instead credited my account w/ a coupon of the overspent amount which is what I didnt want.
I never did spend the coupon and proceeded to keep hammering them w/ emails, finally this morning I woke up to find the overspent amount back in my wallet.

Finally bitmain came through =)

Now, the moral dilemma , to spend the coupon that still sits on my account for the overspent amount and consider it 100% interest for holding my btc for months....or not use the coupon at all =P