the first thing

When flipping a house, where do you all go to find great deals on the materials used or the services used. I want to pay the least for good quality on the materials i use on the property so that it will be sold for more profit fast. Can you help?

Here is a link to a previous discussion on a similar question:

http://www.reiclub.com/forums/index.php/topic,27644.0.html