source

import requests
from bs4 import BeautifulSoup
import smtplib

URL = 'https://www.amazon.com/Gaming-i7-8750H-Processor-GeForce-Windows/dp/B07GWX25CV/ref=bmx_2/139-0467873-6925201?_encoding=UTF8&pd_rd_i=B07GWX25CV&pd_rd_r=023fc008-ff44-4063-939f-53e711642133&pd_rd_w=g9Smx&pd_rd_wg=L8Ovh&pf_rd_p=806524e0-5994-4c0d-9d36-11f6132400bc&pf_rd_r=C6PVGAGE8Q7PP2A02W25&psc=1&refRID=C6PVGAGE8Q7PP2A02W25'

headers = {"User-Agent": 'Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:68.0) Gecko/20100101 Firefox/68.0'}

def check_price():
    page = requests.get(URL, headers=headers)

    soup1 = BeautifulSoup(page.content, 'html.parser')

    soup2 = BeautifulSoup(soup1.prettify(), "html.parser")

    title = soup2.find(id = "productTitle").get_text() # you can change the id value depending on the value you want to retrive
    price = soup2.find(id = "priceblock_ourprice").get_text()

    converted_price = float(price[1:].replace(',', ''))

    if(converted_price < 1700.00):
        send_mail()

    print(converted_price)

def send_mail():
    server = smtplib.SMTP('smtp.gmail.com', 587)
    server.ehlo()
    server.starttls()
    server.ehlo()

    server.login('your@email', 'Google generated password') #Go tp https://myaccount.google.com/apppasswords to generated a password for your device (eg.Windows)

    subject = 'Prices went down!'
    body = 'Check it out here https://www.amazon.com/Gaming-i7-8750H-Processor-GeForce-Windows/dp/B07GWX25CV/ref=bmx_2/139-0467873-6925201?_encoding=UTF8&pd_rd_i=B07GWX25CV&pd_rd_r=023fc008-ff44-4063-939f-53e711642133&pd_rd_w=g9Smx&pd_rd_wg=L8Ovh&pf_rd_p=806524e0-5994-4c0d-9d36-11f6132400bc&pf_rd_r=C6PVGAGE8Q7PP2A02W25&psc=1&refRID=C6PVGAGE8Q7PP2A02W25'

    msg = f"Subject: {subject}\n\n{body}"

    server.sendmail(
    from_addr='your@email',
    to_addrs='mail@you_want_to_receive_msg',
    msg=msg)

    print('Mail Sent')

check_price()