In all fairness, there is more than just cost when choosing a provider. Elastic has had higher uptime than the AWS alternative. I had to switch off AWS Elasticsearch hosting because it kept going down.
"Wabi-sabi rejects the pursuit of perfection and embraces the reality of imperfection. The philosophy behind wabi-sabi can help us escape the hamster wheel of chasing an ideal life and teaches us to appreciate existence as it is: perfectly imperfect."
I think Wikipedia is a great start to finding content at a general level.
Though, vertical specific niches often have better sources of information. For e.g. Examine.com currently seems better for nutrition and supplement information. Or even an old school reference book like The Art of Computer Programming by Donald Knuth is better for algorithms.