There are several different ways to go about this and a ton of great posts, member blogs, BP blogs, BP podcast, books which cover this topic in great detail so I will just provide you a few terms to search and you will find all the information you could ever want right here on BP.1)  Wholesaler - You are right if you could find a great wholesaler this could provide you a steady stream of properties which could be a good input into a fix/flip model.2)  Motivated Sellers -  If you want to dive in you can start looking for the motivated sellers yourself but this is not a easy endeavor.  

Thanks for your input @Guy Gimenez!

Now we'd like to know what you think about our input.?  

Thanks for the input!

All input is greatly appreciated!!

I need some input.

(This is assuming the investor has good knowledge of the local market as well as some local agents or investors that could give them some additional input.) 

Your input and comments were very much appreciated.

@Jeff Rabinowitz@Adam HershmanThanks for the input guys. 

Anyone have any input?