You can expand your vacation up to 3 days...it's actually based on a equation in the contracted based on the R day value, but to keep it simple, call it three. You have to be carefull about protecting your buffers. The R days that are in conflict with your vacation will be dropped and the days you expand will be dropped, but if you protect your buffers on each side, those days will be dropped, but they will be put somewhere else on your line.....in other words they will put them where they are short. If you don't live here and don't have a crash pad, I wouldn't protect the buffers. Another thing is that if you have a 7 day vacation and none of the days conflict, they are still going to knock out 7 r days....you get to put in a preference...but it's a preference...not a conflict. If you still have a question, post away and I try to help you out.