TLDR:The best competitor price monitoring software helps you track rival prices, stock levels, discounts, and market moves in one place. For example, an online electronics store tracking 2,000 products could spot a competitor discount within minutes and adjust prices on its top 200 items. Then it collects prices, shipping fees, stock status, promotions, and other useful data. One quick search can show them five sellers, three coupons, and one very tempting free shipping badge. For example, “stay 2% cheaper than Competitor A, but never go below my minimum margin.