The only problem is that on per Ghps basis my prices are about 10-20 times cheaper than those from Amazon and peer1 and I suppose all other known non "mom's basement" type of competitors.
The price difference is so overwhelming that I could not even be bothered to calculate exact numbers yet.
Yeah. It's like saying that your $10/liter gas is cheap because, you know, your only other choice is to burn perfumes and it's 1000$/liter.
Your prices are high because at difficulty 50000+ which is going to be in the next reset in 3-4 days, your 3-month 1GH/s = 7.88 PH contract is going to generate only 1835 BTC assuming no further difficulty increases (we all know how likely it is). At $2100 for no more than 1835 BTC (and likely 1000 BTC only due to further difficulty increases), it is much cheaper to buy coins on the market.
If your service is popular it can only mean that there is apparently ample supply of