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Don't fall into the trap of thinking that a well-known brand always means better quality, because a lot of the time you're just paying for the name. Store brands work fine for a ton of things - food, cleaning supplies, generic medications - but for other stuff it's worth doing some research first (electronics, cycling gear, technical things where performance actually matters). My advice is to check specific reviews for that exact product instead of assuming, because there are excellent store brands out there and expensive brands that are total ripoffs.
It really depends on the category, but my best advice is to check the ingredients or specifications before assuming a well-known brand is better! What works great is comparing the price per unit (not just the total price) on the label - that's where you see if you're actually saving or paying more for less product. For things like basic groceries, paper towels, or cleaning products, store brand is usually identical, so it definitely pays off to save there. For other stuff where quality varies more (electronics, clothing, cosmetics) you might want to try a small amount first before committing to buying in bulk.
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