Depends on how critical they are to your stack. Ime if you use more than a few products and either one of them can take you down yeah it’s less than 3. Just something to ponder but if s3 didn’t meet 99.9 for the month you get a whopping 10% back. Other cloud vendors aren’t much better at this (actually worse). Not even to mention that you need to leave some room for your own fuckups