You would get all of this information and a lot more from the 1812 pension & bounty land file. Fold3 is slowly putting these on their site for free, but it is slow going. You can go to Fold3 and see if they are up to "Edwards" yet. If so, you can read the whole pension file online for free. Otherwise, you can either wait for them to add that one, or you can have it copied from NARA, either by NARA staff or an independent researcher.
This soldier would have a service record file, a pension and bounty land file, and a surrendered warrant file (if he received bounty land), all at NARA DC. I can make color PDF images of any or all of this.
If heirs are mentioned in connection with the pension, the heirs may have been the ones to file for accrued pension and/or the bounty land. You may or may not get their addresses from the aforementioned file(s).
You can check for bounty land at the BLM website at:
www.glorecords.blm.gov click on "land patents", and scan for the soldier's name. You could unclick the box that says: "patentee" and leave the one checked that says "warrantee". That way you will scan for a soldier with that name who received a bounty land warrant. If he's there, it will tell you if he patented the land himself, or if his widow or heirs did. The person who patented the land will be listed with a "p" next to their name(s), and the soldier will have a "w".