I know it may be difficult, but would be best

It is far worse to practice the wrong things.
I know, finding a reliable FS practitioner is quite difficult, but at least, give the following a thought:
"Even if one finally practises D.I.Y. Feng Shui, do it moderately. It is not like picking up a cook book and stirring in all the ingredients .... "
I remembered a year back when one doctor, took a book on Feng Shui.
At each chapter, he would apply a certain enhancement. For example, after reading a chapter, he would paint his door a certain colour.
Looking at it from a lighter side, "What happens if the first few chapters contains introduction. And the final chapters say, sorry, the above are no good. Here, is what you should instead do.. Oops! Is it too late?