Best technique for wet sanding Options

[dbgriffith75]

I don't have anything in particular I'll need to wet sand soon, but I got to thinking about this today and was just wondering.

I've known some people to spray a given area with a hose, then sand.

I've known some to wipe down the area with a wet rag, then sand.

And one guy I know dips the sandpaper in water, then sands.

My personal preference is to wipe down the area with a wet rag, then sand. Just wondering how other guys do it and what could be considered the "best method."
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[Porsche Rescue]

Just did some wet sanding yesterday after touching up some scratches by hand. You MUST use a sanding block. I like the 3M rubber block that takes a 1/4 sheet of paper. I used a squirt bottle with a few drops of liquid dish soap. Squirt/sand/dry with a rag and look at my work...repeat. The advice above about looking at the orange peel is important. I used 600 (very carefully), then 1000, then 1500, then buff.
I have used a bucket of water to dip sanding block in (indoors) and hose (outdoors) and I think the spray bottle is best. Enough water, easy to control, little mess, and it keeps the paper cleaner than the other methods. I wipe the paper with the rag at the same time I wipe the car.