Some will tell you all kinds of secrets and tricks to sitting reserve, but i find myself at the mercy at CS when all said and done. You are sitting rsv, unless you are senior 5% sitting rsv, you will be abused at times, it is plain and simple. Whenever i try to "game" the rsv rules, i almost always got the short sticks, so just bid for days off you need, and good luck. Some months you will get called alot, others not as much (unless you are the plug, then sorry)