> "Read operations assume a data size of 4K or less; each additional 4K costs an additional operation. Write operations assume a data size of 1K or less. Notabl

> "Read operations assume a data size of 4K or less; each additional 4K costs an additional operation. Write operations assume a data size of 1K or less. Notably, index writes count as entirely separate write operations; they are not included in the document’s 1K." So many customers don't account for this and it up costing $$$ if your data model isn't a good fit. Cosmos even takes it further w. 1kb units (I have spent hours on Cosmos pricing and am still baffled on how to price a workload.) Although... it does incentivize decent data modeling practices which often lead to more performant apps.