Re: 2004 Mustang
I'm pretty much going to reiterate everything these guys said.
Patience, timing, and looking in multiple sources will definitely be the deciding factors. It took me about 6 months but I found my V6 Stang' with 46K miles in great condition for only $6,000. Just takes time bro, you'll get there.
1) 2000 V6
2) 1967 Custom Coup