diff --git a/src/collect_data.py b/src/collect_data.py
index 5988af6..867ab73 100644
--- a/src/collect_data.py
+++ b/src/collect_data.py
@@ -10,8 +10,8 @@
 import google.cloud.bigquery as bq
 import json
 import argparse
+import logging
 from yaml import safe_load
-from time import time
 
 from helpers.helper import ROOT_DIR, INPUT_DIR
 
@@ -29,32 +29,30 @@ def collect_data(force_query):
         filename = f'{ledger}_raw_data.json'
         file = INPUT_DIR / filename
         if not force_query and file.is_file():
-            print(f'{ledger} data already exists locally. '
-                  f'For querying {ledger} anyway please run the script using the flag --force-query')
+            logging.info(f'{ledger} data already exists locally. '
+                         f'For querying {ledger} anyway please run the script using the flag --force-query')
             continue
-        print(f"Querying {ledger}..")
-        start = time()
+        logging.info(f"Querying {ledger}..")
         query = (queries[ledger])
         query_job = client.query(query)
         try:
             rows = query_job.result()
-            print(f'Done querying {ledger} (took about {round(time() - start)} seconds)')
+            logging.info(f'Done querying {ledger}')
         except Exception as e:
-            print(f'{ledger} query failed, please make sure it is properly defined.')
-            print(f'The following exception was raised: {repr(e)}')
+            logging.info(f'{ledger} query failed, please make sure it is properly defined.')
+            logging.info(f'The following exception was raised: {repr(e)}')
             continue
 
-        print(f"Writing {ledger} data to file..")
-        start = time()
+        logging.info(f"Writing {ledger} data to file..")
         # write json lines to file
         with open(file, 'w') as f:
             for row in rows:
                 f.write(json.dumps(dict(row), default=str) + "\n")
-        print(f'Done writing {ledger} data (took about {round(time() - start)} seconds)')
-        print(50 * '-')
+        logging.info(f'Done writing {ledger} data to file.\n')
 
 
 if __name__ == '__main__':
+    logging.basicConfig(format='[%(asctime)s] %(message)s', datefmt='%Y/%m/%d %I:%M:%S %p', level=logging.INFO)
     parser = argparse.ArgumentParser()
     parser.add_argument(
         '--force-query',
diff --git a/tests/test_2_helper.py b/tests/test_2_helper.py
index d15d177..ee3e746 100644
--- a/tests/test_2_helper.py
+++ b/tests/test_2_helper.py
@@ -16,12 +16,12 @@ def setup_and_cleanup():
     The part before the yield command is run before the test (setup) and the part after the yield command is run
     after (cleanup)
     """
-    print("Setting up")
+    # Setting up
     test_output_dir = OUTPUT_DIR / "test_output"
     if not os.path.exists(test_output_dir):
         os.makedirs(test_output_dir)
     yield test_output_dir
-    print("Cleaning up")
+    # Cleaning up
     shutil.rmtree(test_output_dir)
 
 
diff --git a/tests/test_3_parsers.py b/tests/test_3_parsers.py
index 33fbf66..423d5de 100644
--- a/tests/test_3_parsers.py
+++ b/tests/test_3_parsers.py
@@ -14,11 +14,11 @@ def setup_and_cleanup():
     The part before the yield command is run before the test (setup) and the part after the yield command is run
     after (cleanup)
     """
-    print("Setting up")
+    # Set up
     test_input_dir = INPUT_DIR
     test_output_dir = OUTPUT_DIR / "test_output"
     yield test_input_dir, test_output_dir
-    print("Cleaning up")
+    # Clean up
     shutil.rmtree(test_output_dir)
 
 
diff --git a/tests/test_4_mappings.py b/tests/test_4_mappings.py
index 84dd808..923565a 100644
--- a/tests/test_4_mappings.py
+++ b/tests/test_4_mappings.py
@@ -22,7 +22,7 @@ def setup_and_cleanup():
     The part before the yield command is run before the test (setup) and the part after the yield command is run
     after (cleanup)
     """
-    print("Setting up")
+    # Set up
     ledger_mapping['sample_bitcoin'] = DefaultMapping
     ledger_parser['sample_bitcoin'] = DefaultParser
     ledger_mapping['sample_ethereum'] = EthereumMapping
@@ -35,7 +35,7 @@ def setup_and_cleanup():
     test_input_dir = INPUT_DIR
     test_output_dir = OUTPUT_DIR / "test_output"
     yield pool_info_dir, test_input_dir, test_output_dir
-    print("Cleaning up")
+    # Clean up
     shutil.rmtree(test_output_dir)
 
 
diff --git a/tests/test_5_analyze.py b/tests/test_5_analyze.py
index 5807bc8..683549a 100644
--- a/tests/test_5_analyze.py
+++ b/tests/test_5_analyze.py
@@ -12,7 +12,7 @@ def setup_and_cleanup():
     The part before the yield command is run before the test (setup) and the part after the yield command is run
     after (cleanup)
     """
-    print("Setting up")
+    # Set up
     test_io_dir = OUTPUT_DIR / "test_output"
     test_bitcoin_dir = test_io_dir / "sample_bitcoin"
     if not os.path.exists(test_bitcoin_dir):
@@ -36,7 +36,7 @@ def setup_and_cleanup():
         with open(test_bitcoin_dir / f'{timeframe}.csv', 'w') as f:
             f.write(content)
     yield test_io_dir
-    print("Cleaning up")
+    # Clean up
     shutil.rmtree(test_io_dir)
 
 
diff --git a/tests/test_6_end_to_end.py b/tests/test_6_end_to_end.py
index bc4f824..c12044f 100644
--- a/tests/test_6_end_to_end.py
+++ b/tests/test_6_end_to_end.py
@@ -19,14 +19,14 @@ def setup_and_cleanup():
     The part before the yield command is run before the test (setup) and the part after the yield command is run
     after (cleanup)
     """
-    print("Setting up")
+    # Set up
     test_output_dir = OUTPUT_DIR / "test_output"
     ledger_mapping['sample_bitcoin'] = DefaultMapping
     ledger_parser['sample_bitcoin'] = DefaultParser
     ledger_mapping['sample_cardano'] = CardanoMapping
     ledger_parser['sample_cardano'] = DummyParser
     yield test_output_dir
-    print("Cleaning up")
+    # Clean up
     shutil.rmtree(test_output_dir)