Very Scary because we Don't know who are there? What they do? They charge an Extra 11% on top of their normal price.
$6.60 becomes $7.32
More Expensive compares to Cointera.
Now you're just making stuff up.
CoinTerra announced their 2 TH/s rig at $15,750. That's $7.88/GH. And, for now, that's your only option - you have to have a lot of cash upfront while XCrowd offers other options. They also aren't using escrow or other chargeback-able payment methods.
Not to construe this as advice for who you should purchase from, but it's one thing to urge caution and another thing to make stuff up.