Your spell won't fly, instead it'll just fizzle out.This is one thing that spells you make yourself and spells you get from a book have in common.One suggestion is to put all worry aside, and just use your own intuition.Just rely on yourself, if you want to use a red candle for a money spell instead of a green one just because some book says so, go ahead with it!
It's good to keep an open mind, but not so open that you have no thoughts yourself, and the only thoughts and ideas in your head come from other people. But then, neither is it right for everybody in the universe. There are books and websites that list certain times of the day or week that are better for certain types of spells than others. A spell that you're awake and focused for will pack more power than a spell that you barely stayed awake for at midnight and you're doing quickly so you can get to bed.
They claim they've searched the web over and over again and could find nothing. Two, they might resort to "summoning" angels, demons, spirits and whatnot, thinking that's the only alternative left.