diff --git a/README.md b/README.md
index f3f77e7..9319663 100644
--- a/README.md
+++ b/README.md
@@ -27,3 +27,12 @@ Go version: ./sd < test
 ```
 
 The C port is about 30% faster than the original Go code.
+
+## Tips and tricks
+
+- View card deck: `sqlite3 cards .dump`
+- Get total number of cards: `sqlite3 cards "SELECT COUNT(*) FROM cards"`
+- Get total number of cards with positive weight: `sqlite3 cards "SELECT COUNT(*) FROM cards WHERE weight>0"`
+- Search for string in keys: `sqlite3 cards "SELECT * FROM cards WHERE key LIKE '%hello%'"`
+- Add card to deck: [sd-add.fish](sd-add.fish)
+- Edit deck: [sqlitevi.fish](sqlitevi.fish) or sqlitebrowser