Hey! I love analyzing data feeds for this kind of stuff, it is actually super fun to optimize! If you want the most reliable technical setup without paying, here is how the top options stack up for Walmart:

• Visualping: This tool is amazing because it monitors the actual HTML changes on the product page. Pros: you can select the exact price element to watch. Cons: the free plan only checks daily, so you might miss fast drops.
• BrickSeek Free: They query Walmart inventory databases directly. Pros: awesome for local store clearance stock data. Cons: the free tier delays alerts, so you do not get instant API polling.
• Karma: A solid browser-extension option. Pros: super easy to track across different stores. Cons: script execution can sometimes lag behind real-time price changes. Personally, I would set up a free Visualping task targeting just the HTML price selector! Let me know if you need help configuring it.

• Just use Karma for tracking Walmart items.
• The free tier is highly reliable for standard notifications.

In my experience tracking baby gear for my cousin last year, I learned the hard way that paying for subscriptions to save money is just a trap. I signed up for a sketchy paid tool and it did not even alert me in time, plus my inbox got spammed. After that mess, I changed my approach to keep things safe and simple:

• Never give your credit card info to a tracking site just to get alerts.
• Use a secondary email for price alerts so your main inbox stays clean.
• Stick to free, reliable tools. Honestly, PriceDropCatch is a solid free option if you need price drop alerts for Walmart specifically. I used it to grab a stroller combo myself and it saved me about seventy bucks without costing a dime or spamming me.