For stock availability, use Colly to find the element that indicates whether the product is in stock or out of stock. Extract the text from the element, which might show terms like “In Stock” or “Out of Stock.”

package main
import (
	"fmt"
	"log"
	"github.com/gocolly/colly"
)
func main() {
	// Create a new collector
	c := colly.NewCollector()
	//…

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To scrape promotions, locate the section where discounts or special offers are displayed. Use page.$eval() to extract the promotion text. This is often presented as a percentage discount or special note within the product section.

const puppeteer = require('puppeteer');
(async () => {
    const browser = await puppeteer.launch({ headless: true…

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