YouTube has excellent videos on printing Ebay postage.
Exactly what are you asking?
Sick people?
Just old people?
Unless they are too ill to care for themselves, all the seniors I know ( including me) have full lives that they enjoy. But I'm not really sure what you are asking?
If I were any more senior I'd be downright venerable. I appreciate being left to care for myself. Go read Tiger's answer again.