1.A great deal of my lucid dreams have reslted from RCs, but I can't quite list how many exactly.

2. Well, I would recommend doing more than one Rc, roughly three or four. As others have mentioned, different Rcs work better than others for different people. The ones I like to do however, are the ones were you attempt to breath with your nose pinched, counting all of your fingers, and the last one I do is merely a memory check where I try to recall the previous events that took place or why I ended up where I am.

3. I don't really have a set schedule for when I rc. I mainly test reality when something seems out of the ordinary or I've zoned out or forgot what I was doing previously.