PureDoxyk is right about the blue jeans, but wrong about the anime. Videotapes (And CD) in Japan are insanely expensive; I found that the equivalent of $70 was not at all unreasonable for two episodes of anime. So this probably wouldn't work. Laserdiscs are cheaper, sometimes, but the US market for them just went from small to nonexistant.

Another lucrative way to visit Japan is to teach English. Not as risky, and it does work.