I've been brewing Yunnan Gold for just under a week now and I've been getting at least 4 good infusions from 3.5g @ 88 - 95 degrees, 3 mins, 2.5 mins, 5 mins, 7 minutes.
A lot of people here seem to be very concerned with multiple steeps taking up too much time, but what's the rush? I'd personally rather have four very good steeps of YG than drink 3 different teas in the same time as doing that would take. Tea is not something to be rushed.
Yunnan Gold this morning (multiple steeps!