Oh I read a lot of HNSW stuff on your/Pinecone blog series. (Great learning resource btw, well done!) So I assumed you were using HNSW already. It's a news to me that you don't use it.
Prices in excess of 1'000 CHF/day are not unusual if you get someone through an agency. Freelancer rates I’m less sure of, but they’re probably not far behind.
There's a thousand and one problems one could be solving in his/her life. Checking twitter/facebook less often and reading words printed on paper is priority number 356 for me. I don't know why it ranks so high for the author to warrant a blog post.
The real issue is not having your priorities straight that you are worrying about your allocation of time/resources. Surely there's bigger fish to fry in your own life - where's the blog post on that?