diff --git a/DataPoints.py b/DataPoints.py
old mode 100644
new mode 100755
index 2431c82..6ce07b6
--- a/DataPoints.py
+++ b/DataPoints.py
@@ -14,7 +14,7 @@ class Pulse:
             "power": float(power),
             "lastMeterConsumption": float(lastMeterConsumption)
         }
-        if cost is not None:
+        if cost is not None and float(cost) > 0:
             fields.update({'accumulatedCost':cost})
         self.datapoint = {"fields": fields,
                      "tags": tags,
diff --git a/Dockerfile b/Dockerfile
index dd424f4..6c3aebe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,8 +2,6 @@ FROM python:3.12-slim-bookworm
 WORKDIR /app
 LABEL MAINTAINER="Jan-Ole Hübner <huebner@jan-ole.de>"
 
-RUN apt-get update && apt-get install -y cron
-
 ADD requirements.txt /app
 RUN pip3 install -r /app/requirements.txt
 
@@ -11,15 +9,6 @@ ENV PYTHONIOENCODING=utf-8
 
 ADD . /app
 
-
-RUN echo "SHELL=/bin/bash\nBASH_ENV=/app/env\n* * * * * root /app/delay_price.sh >> /var/log/cron.log 2>&1" > /etc/cron.d/get_price
-
-RUN chmod 0644 /etc/cron.d/get_price
-
-RUN crontab /etc/cron.d/get_price
-
-RUN touch /var/log/cron.log
-
-RUN chmod 755 /app/pulse.py /app/get_price.py /app/start.sh /app/delay_price.sh
+RUN chmod 755 /app/pulse.py /app/get_price.py /app/start.sh
 
 CMD ["/app/start.sh"]
diff --git a/delay_price.sh b/delay_price.sh
deleted file mode 100644
index 2515c71..0000000
--- a/delay_price.sh
+++ /dev/null
@@ -1,6 +0,0 @@
-#!/bin/bash
-source /app/env
-printenv
-sleep 2
-
-python3 /app/get_price.py >> /var/log/cron.log 2>&1
\ No newline at end of file
diff --git a/get_price.py b/get_price.py
old mode 100644
new mode 100755
index 56d9aca..5fa5fe8
--- a/get_price.py
+++ b/get_price.py
@@ -21,7 +21,7 @@ ch.setFormatter(formatter)
 logger.addHandler(ch)
 logger.setLevel(logging.INFO)
 
-__version__ = "v0.3.0"
+__version__ = "v0.4.2"
 logger.info(__version__)
 
 client = InfluxDBClient(url=URL, token=TOKEN, org=ORG)
diff --git a/pulse.py b/pulse.py
old mode 100644
new mode 100755
index 94d812e..97c18f7
--- a/pulse.py
+++ b/pulse.py
@@ -1,7 +1,8 @@
-
+import asyncio
 import os
 import signal
 import sys
+import time
 
 import tibber
 from influxdb_client import InfluxDBClient
@@ -24,7 +25,7 @@ ch.setFormatter(formatter)
 logger.addHandler(ch)
 logger.setLevel(logging.INFO)
 
-__version__ = "v0.3.5_debug"
+__version__ = "v0.4.3"
 logger.info(__version__)
 
 
@@ -60,7 +61,7 @@ def stop(home):
 try:
     signal.signal(signal.SIGALRM, timeout_handler)
     signal.alarm(15)
-    home.start_live_feed(user_agent="pulse.py/0.3.5",exit_condition=stop(home),retries=2,retry_interval=3.0)
+    home.start_live_feed(user_agent="pulse.py/0.4.3",exit_condition=stop(home),retries=4,retry_interval=5.0)
 except TypeError:
     logger.exception("Timeout occurred while executing start_live_feed()")
     client.close()
diff --git a/start.sh b/start.sh
index 6632127..1ac5d74 100644
--- a/start.sh
+++ b/start.sh
@@ -1,11 +1,16 @@
 #!/bin/bash
-printenv > /app/env
-# Start the cron service
-service cron start
 
-# Run your main application script (pulse.py) in the background
 python3 /app/pulse.py &
 
-# Keep the container running and output both cron logs and pulse.py output
-tail -f /var/log/cron.log &
+# Run the other script at 0, 15, 30, 45, and 60 minutes
+(
+  while true; do
+    current_minute=$(date +'%M')
+    if [[ "$current_minute" == "00" || "$current_minute" == "15" || "$current_minute" == "30" || "$current_minute" == "45" || "$current_minute" == "00" ]]; then
+      python3 /app/get_price.py
+    fi
+    sleep 60  # Check every minute
+  done
+) &
+
 wait -n