"How much research can I reasonably do using just the internet? My health keeps me from traveling to courthouses and such."
You can't do everything but you can do a lot, more every day thanks to organizations such as FamilySearch. Even if you can't visit courthouses and other repositories you can phone them, email them and write letters to them requesting information and documents so all is not lost. You can also hire other researchers to do some of the leg work for you.
I always exhaust all my internet options first, then I formulate a research plan for those things that I can't do on the internet. So many things are being added daily that I go back and try again on the internet if I am looking at a research problem that I haven't worked on in a while.
Copyright © 2012 Michele Simmons Lewis