I'll comment on the mic-ing aspect.I've been experimenting with singing and playing acoustic at the same time on to 2 tracks.
I'm singing into a Shure SM-57 pointed up towards my mouth at about a 30 degree angle.Four-five-six inches away depending on how loud I'm singing.Experiment and find where it sounds best.
I'm collecting a few inexpensive mics online.Using a condenser mic on the guitar I found picked up a lot of my vocal.It still can be workable.
I suggest using Search in the Microphones section,and look up Electro Voice,Electrovoice,and EV.Great info.There's an inexpensive EV broadcast mic,
the 635a,look that up.You can mic the acoustic very close to the soundhole,and pick up less vocal.
I'm waiting for UPS to bring the 635a I got for 40-some bucks on Ebay.Meanwhile I'm using another old EV,an RE 11,which is similar.
This is working for me because I wanted an old-fashioned folk blues sound for the material I'm doing.And it's not picking up too much of the vocal.
On one of the threads you'll find,someone described the 635a on the acoustic as sounding like "an early 70's Rolling Stones acoustic guitar sound."
If you want a more hi-fi sound,you'll need to study up on condenser mics.But you may also find that you'll get a lot of vocal bleed on the guitar track.