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Python Web Scraping for Business Intelligence: Extract Competitor Prices Automatically

DEV Community·Brad·20 days ago
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You're checking competitor pricing manually? That's 2 hours every week you'll never get back. Here's how to automate it with Python. The Problem With Manual Price Monitoring Every business needs to watch what competitors charge. But visiting 5-10 competitor sites weekly: Takes 2-3 hours you could spend elsewhere Is inconsistent (you forget, skip weeks, miss changes) Gives you no historical data or trends Python can do all this automatically, store results in a database, and email you when prices change. The Simple Price Monitor import httpx import sqlite3 import smtplib from email.mime.text import MIMEText from datetime import datetime import re # Database setup def setup_db (): conn = sqlite3 . connect ( ' prices.db ' ) conn . execute ( ''' CREATE TABLE IF NOT EXISTS prices (id INTEGER PRIMARY KEY, product TEXT, price REAL, source TEXT, timestamp TEXT) ''' ) conn . commit () return conn def save_price ( conn , product , price , source ): conn .…

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