Wes, you make a lotta valid points, but to a "beginner" *implying, not having done it before* sinking any significant amount of money into equipment before they start seeing results may not be the most desirable approach. I ask you... when you first started, did you mechanically go through and buy various pieces of equipment first, or did you jump into it?
I understand if we're trying to discuss the most "well thought" approach, but I know my first paint job was pretty shitty, but so was the guitar so it was no loss, and I learned a lot from the experience. All the talk and advice is great, but there's no substitute for experience, and by trying the "cheaper " *even though, your breakdown implies it's not; which I disagree with* approach, the painter can draw their own conclusions on whether they a satisfied with the results or not. According to Southpa, he's decided that the rattler finishes were reasonable for him, and though they weren't to you, that doesn't mean it's not for this guy.
Sorry if I railroaded this discussion at all, but I think we should be looking at THIS PARTICULAR thread/discussion as "what a reasonable method/type/brand of rattler finish, than can deliver descent results FOR A BEGINNER" and we can use the extra "advice" as just that... "advice."