How do you know the price when most prices are different at each store?

Prices can vary between stores due to factors like location, competition, and sales strategies. To know the price of an item, you can compare prices using online shopping websites, price comparison tools, or apps that aggregate data from various retailers. Additionally, checking store websites or calling them directly can provide the most accurate pricing for specific locations. Keeping an eye on sales and promotions can also help find the best deal.