If you have the runway in sight and would like to fly a visual-like approach without the potentially time consuming procedure, ask for a contact approach. Fly whatever you want, just keep a visual on the runway.

To Josh's question: one of the ones that can really get people is that some Non-towered fields are Class G on the Surface where some are Class E. If coming into a class E sfc airport, to cancel you need the 1000/3, but if you are at a different airport with class G extending from the surface to 700' or 1200' AGL, then you can cancel at that point as long as you can maintain 1 SM and clear of clouds within G airspace. We run into this a lot, especially when approach is pressuring you due to aircraft waiting to depart.