I've been freelancing for 4 years. The biggest lesson: admin work will eat you alive if you let it. Chasing invoices. Sending project updates. Tracking billable hours. Following up on proposals. Writing weekly reports. None of it makes you money directly. All of it is necessary. The solution: automate it. Here are the 5 scripts I run on autopilot every week. 1. Automatic Invoice Follow-Up Checks your invoice records and sends a polite follow-up if payment is 7+ days late. import smtplib import csv from datetime import datetime , timedelta from email.mime.text import MIMEText def check_overdue_invoices ( invoices_file = " invoices.csv " ): overdue = [] today = datetime . now (). date () with open ( invoices_file ) as f : reader = csv . DictReader ( f ) for row in reader : if row [ " status " ] == " unpaid " : due_date = datetime . strptime ( row [ " due_date " ], " %Y-%m-%d " ). date () days_overdue = ( today - due_date ). days if days_overdue > 7 : overdue .…