i personally have only used
VERY fast usually in 10 min or less
must stuff is lowest price out there
example's
Torment - Exalted Orb
$2.79
Torment - 50 x Chaos
$4.59
i only buy currency here and 20 quality skill gems.
so can not attest to the prices of other stuff because i don't buy it
enjoy and your welcome :-P