4 Amazing Costco Buys for Under $99

Image source: Upsplash/The Motley Fool A Costco membership can be an excellent investment for shoppers looking for deals that help them keep more money in their checking accounts. As a member, you can access members-only discounts that allow you to save big when buying groceries, clothes, cleaning supplies, household essentials, electronics, and more.Top credit card to use at Costco (and everywhere else!) We love versatile credit cards that offer huge rewards everywhere, including Costco! This card is a standout among America's favorite credit cards because it offers perhaps the easiest $200 cash bonus you could ever earn and an unlimited 2% cash rewards on purchases, even when you shop at Costco. Add on the competitive 0% interest period and it's no wonder we awarded this card Best No Annual Fee Credit Card. Click here to read our full review for free and apply before the $200 welcome bonus offer ends!Compared to other retailers, Costco's prices may be much lower. Ready to shop? Here are a few amazing Costco buys for under $99.1. 10-pack of Brita Replacement Water Filters: $32.49Many people prefer to drink filtered water at home, but replacement filters can be costly. The good news is that a Costco membership card can unlock savings. Through Nov. 10, you can purchase a 10-pack of Brita Replacement Water filters for $32.49, an additional $12.50 off Costco's standard price. Considering Target sells a six-pack of filters for $29.99, this is a fantastic deal.2. 1.7-ounce ESTEE LAUDER Resilience Multi-Effect Night Tri-Peptide Face and Neck Creme: $84.99A great skincare routine can improve the look and feel of your skin. But quality skincare products can be expensive. The good news is a Costco card can help you save money on the beauty and skincare essentials you love.One Costco purchase that could save you $29 is the 1.7-ounce container of ESTEE LAUDER Resilience Multi-Effect Night Tri-Peptide Face and Neck Creme. Thanks to an online-only Costco deal, you'll pay $84.99 for this well-rated overnight serum, which retails for $114.Want to stretch your skincare budget further? You can maximize your dollars by earning rewards on your Costco haul. Click here to explore our list of the top credit cards for your Costco spending that offer big rewards.3. TRINITY Shoe Bench with Boot Storage: $49.99Have you considered investing in a storage solution to organize all the shoes and boots near your home's entry? Costco has what you need to make your home look and feel better. Through Nov. 14, you can purchase the TRINITY Shoe Bench with Boot Storage for $49.99, an extra $10 off Costco's standard price. This shoe storage solution has three shelves and is easy to install.4. First Alert Wireless Smoke and Carbon Monoxide Alarms: $69.99When life gets busy, it's easy to forget about home safety essentials like smoke and carbon monoxide alarms. But you don't want to put your family's safety at risk.If you have old detectors that need to be replaced, this Costco deal is for you. Through Nov. 10, you can purchase a two-pack of First Alert Wireless Smoke and Carbon Monoxide Alarms at Costco for only $69.99.This set usually costs $79.99, but a limited-time coupon provides an additional $10 of savings. With this buy, you'll get two alarms, mounting brackets, and two AA batteries for each alarm. Now is an excellent time to test the detectors in your home to see if you should shop this deal.Get more from your Costco membershipYou can maximize your Costco membership by staying alert to the warehouse club retailer's best deals. These are just a few deals you can shop now. New offerings and discounts are added all the time, so be sure to check Costco's website or mobile app to stay in the know.The savings don't stop there. You can save more by earning rewards when you swipe your credit card at checkout. Want to earn cash back rewards? Check out our list of the best cash back credit cards to see how easy it is to earn rewards when you shop.Top credit card to use at Costco (and everywhere else!) We love versatile credit cards that offer huge rewards everywhere, including Costco! This card is a standout among America's favorite credit cards because it offers perhaps the easiest $200 cash bonus you could ever earn and an unlimited 2% cash rewards on purchases, even when you shop at Costco. Add on the competitive 0% interest period and it's no wonder we awarded this card Best No Annual Fee Credit Card. Click here to read our full review for free and apply before the $200 welcome bonus offer ends!We're firm believers in the Golden Rule, which is why editorial opinions are ours alone and have not been previously reviewed, approved, or endorsed by included advertisers. Motley Fool Money does not cover all offers on the market. Editorial content from Motley Fool Money is separate from The Motley Fool editorial content and is created by a different analyst team.Natasha Gabrielle has no position in any of the stocks mentioned. The Motley Fool has p