My standard response to the Rich Dad books is to take the knowledge gained with a grain of salt. I believe in the basic premise of the book, getting wealthy through business and real estate (rich dad) vs working for someone (his poor dad). However I question how true some of those stores.
Read John T. Reed's analysis of the rich dad below.
John T. Reed's analysis of Robert T. Kiyosaki's book Rich Dad, Poor Dad
Kiyosaki's rebuttal
MasterMind Forums - Robert Kiyosaki's Response to John T. Reed Review of Rich Dad Poor Dad