This is a good informative article about caring (and not killing) houseplants.
https://www.domain.com.au/advice/how-to-care-for-and-not-kill-your-houseplants-20170226-gulo3x/
I found the section on how to water indoor plants particularly handy. I think most people do just sit them in a saucer of water. It does sound much smarter to water the pot at the sink, letting the water drain through, and only returning it when all the water has drained out.
