You can stop your period, instead of taking the sugar pills at the end of your cycle take the next packs first week, which are the hormone pills. The pill will trick your body by giving it more hormones.
Not quite. What you should do is go see your gynecologist or reproductive endocrinologist. They will be able to prescribe the correct course of treatment. It depends on the situation since different courses of treatment can be prescribed for this, depending on whether your period is unusually long or absent.
Consult your doctor before changing anything. It is possible to start taking your next set after only two days of being off the pill. It's called Continuous Birth Control.
You should follow the directions as closely as possible. They are there for a reason because birth control is a very serious pill to take. It changes your body a lot.