I've written a whole bunch of tutorials on multitrack recording using home equipment on my web page:

http://www.guitartricks.com/instructor.php?input=7

Just look under multitrack recording among other things.

I've done a whole bunch of lessons where I start with basically nothing and then gradually build a song starting with the drums/bass/synths/ etc.. then adding guitar, harmonies and vocals.

It takes you right through the whole process including micing, mixing, mixdown, editing etc etc...
http://www.guitartricks.com/lesson.php?input=1626&s_id=14

There's also a bunch of other lessons taking your ideas right from scratch to finished product:
Kinda like this: