How to proceed to find work at home (computer) for retired female

I have a friend who does medical transcription, she gets the tapes from the doctors, and sends them back by email.

I have a couple people who buy and see off eBay, one gentlemen does model cars, my sister in law, makes fashion clothing and sells from online stores and eBay.

Have you considered a call service? You could take calls for individuals or businesses after hours, or provide "wake-up call" services. All easy to do from your home. :)