Navigating Cyber Monday can be a breeze if you approach it with a plan. Here are some tips to help you make the most out of the big online shopping day:

1. **Do Your Research**: Know exactly what you plan to buy and do some research to figure out what it costs regularly. This way, you can avoid getting misled by deals that aren't actually saving you much money.

2. **Sign Up For Newsletters**: Most online retailers send their newsletter subscribers advanced notice of their sales, sometimes even with additional discounts or early access.

3. **Bookmark Important Pages**: If there are certain products or stores you're specifically interested in, bookmark those pages so you can easily check them on Cyber Monday.

4. **Compare Prices**: Don’t immediately jump at the first sale you see. There might be better deals elsewhere. Use price-comparison websites and browser extensions to help you compare prices while shopping.

5. **Use Social Media**: Many brands will post their best deals on their social media pages. Make sure to follow your favorite brands on their platforms to get updates on their sales.

6. **Check Out Coupon Sites**: Sites like RetailMeNot, PromoCodeWatch, or Savings.com often have exclusive coupon codes that you won't find elsewhere.

7. **Shop Safely**: Make sure to only shop at reliable sites that have secure payment options. Always look for "https://" in the URL. Never give out any unnecessary personal information.

8. **Mind The Shipping Costs**: Sometimes, deals aren't as good as they appear when you take shipping costs into account. Look for retailers that offer free shipping.

9. **Use Cashback Apps**: Many cashback apps and sites offer additional savings on your purchases, so don't forget to activate them before checking out.

10. **Patience is Key**: Retailers often rotate deals throughout Cyber Monday and even during the following week ("Cyber Week"). If you don't find the deal you're looking for, check back later.

Remember, the key is to be organized, know what you want before the day arrives, and be patient with your purchases. Don't allow the frenzy of the sale to pressure you into buying something you don't need or truly want.

Absolutely, there are numerous price comparison websites and browser extensions that can aid you in seeking out the best deals. Here are a few:

**Websites:**

1. **Google Shopping**: You can search for a product and see prices from various retailers all in one place. It even offers a price trend graph for some products.

2. **Shopzilla**: This website lets you compare prices among different online retailers and gives you access to reviews and ratings for thousands of products.

3. **PriceGrabber**: Similar to Shopzilla, it helps you compare prices of various online retailers and gives you access to reviews and ratings.

**Browser Extensions:**

1. **Honey**: This browser extension automatically finds and applies discount codes at check out with a single click. It also compares prices and notifies you if a lower price is available.

2. **CamelCamelCamel**: If you're shopping on Amazon, this tool is excellent. It tracks prices on Amazon and offers price history charts and price drop alerts.

3. **Invisible Hand**: This extension notifies you if the product you’re shopping for is available cheaper from another retailer. It covers a variety of product categories from electronics to travel.

4. **PriceBlink**: When you're shopping online, PriceBlink automatically finds and displays prices from other sites while you are browsing. It also shows reviews, allows for wish list creation, and offers coupon codes.

5. **Wikibuy from Capital One**: This browser extension checks other retailers for a better price while you shop. It also automatically applies coupon codes at checkout.

Always remember to read the privacy policy of any browser extension you add, as they can often access your browsing data. Happy shopping!