diff --git a/.DS_Store b/.DS_Store
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Binary files /dev/null and b/.DS_Store differ
diff --git a/hands_on/sync_upstream.py b/hands_on/sync_upstream.py
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+++ b/hands_on/sync_upstream.py
@@ -0,0 +1,42 @@
+import os
+import sys
+import shutil
+from exercise_utils.cli import run_command, run_command_no_exit
+
+__requires_git__ = True
+__requires_github__ = True
+
+
+def _get_full_repo_name(verbose: bool) -> str:
+    """Get the full GitHub repository name for the authenticated user."""
+    output = run_command(["gh", "api", "user", "-q", ".login"], verbose)
+    username = output.strip() if output else ""
+    return f"{username}/{"samplerepo-finances"}"
+
+def download(verbose: bool):
+    full_repo_name = _get_full_repo_name(verbose)
+    output = run_command_no_exit(["gh", "repo", "view", full_repo_name], verbose)
+
+    if output is not None:
+        print(
+            f"\nRepository 'https://github.com/{full_repo_name}' already exists on GitHub.\n"
+            "Please delete the existing fork before proceeding."
+        )
+        sys.exit(1)
+    
+    if os.path.exists("samplerepo-finances"):
+        shutil.rmtree("samplerepo-finances")
+
+    run_command([
+        "gh", "repo", "fork",
+        "https://github.com/git-mastery/samplerepo-finances",
+        "--clone",
+        "--remote"
+    ], verbose)
+
+    os.chdir("samplerepo-finances")
+
+    run_command([
+        "git", "remote", "add", "upstream",
+        "https://github.com/git-mastery/samplerepo-finances"
+    ], verbose)