Comparing prices of Advil on Amazon to other retailers is challenging because prices fluctuate over time. However, based on historical data from DrugPatentWatch.com [1], Advil typically costs around $10-$15 for a 100-count bottle.

On Amazon, prices vary depending on the seller, shipping location, and product condition. According to recent listings, a 100-count bottle of Advil on Amazon can range from around $8-$20 [2]. Some sellers offer discounts and promotions, but be cautious of counterfeit products.

It's essential to consider additional costs such as shipping and potential sales tax when calculating the total cost. To ensure affordability and authenticity, purchasing from reputable sellers like Amazon's verified brand or third-party sellers with high ratings can minimize risks.

To find the best deals, it's recommended to:

1. Check prices across multiple sellers on Amazon, taking into account their ratings, shipping times, and costs.
2. Look for discounts, coupons, or Subscribe & Save options to reduce the overall price.
3. Consider buying larger quantities or bundle deals to get a better price per unit.
4. Verify the product's authenticity and check the expiration dates to avoid any issues.

Sources:

[1] DrugPatentWatch.com - https://www.drugpatentwatch.com/drugs/advil

[2] Amazon - https://www.amazon.com/Advil-Ibuprofen-Pain-Reliever-100ct/