- “We’ll just cache it”
- “We’ll add the retry later”
- “The timestamp will tell us the order of events”
- “We’ll parse it with a regex”
- “We’ll duplicate this field, it’s just one field”
- “Disk is basically reliable”
- “We’ll use the filesystem as a database”
- “We’ll bump the timeout”
- “Users won’t put weird stuff in that field”
- “It works on my machine”
- “We don’t need backups, we have RAID”
- “That ID will fit in an int”
- “It’s an internal service, we don’t need auth”
- “We’ll roll our own (crypto, date math, URL parsing)”
- “O(n²) is fine, n is small”