To ensure you are comparing similar bleach products, pay attention to the (sodium hypochlorite) concentrations, disclosures are lacking (Based in USA)

Keep bleach % in mind when buying the product. In limited scenarios I use bleach for sanitizing which means there needs to be 5%+ of sodium hypochlorite. Bottles of bleach (sodium hypochlorite) range 1.75% (supposed concentration for dollar tree LA awesome brand) -8.25%, so it really matters which one you buy.

I never gave this any thought. I'd just grab the cheapest bleach thinking the difference in price was due to no marketing costs from store/no-name brands. Even contacting the manufacturer and looking up the MDS/SDS didn't give me the information I was looking for; many times it just gave a range of 3-6% sodium hypochlorite which doesn't help if I'm trying to make sure the bottle is 5%+. I figured others might silimarly have never given this any consideration so wanted to share.

As a final note, I never considered the shelf life of bleach so I'm also going to post that information as well. Properly stored, unopened bleach is generally effective for 6 to 12 months from its manufacture date, after which it begins to degrade. Once opened, it should be used within 3–6 months for disinfection. It breaks down into salt and water, losing 20% effectiveness per year.