You can save lots of money on luxury brands of watches like Rolex, Cartier, and Breitling by taking part in eBay Live's auctions. Bids start as low as a buck in many cases, and some sellers will offer free shipping if you're successful in your bids. You can watch these auctions in real time and chat with sellers as items go up for bid. You'll need an eBay account to take part in the bidding.  Shop Now at eBay

eBay's Longines sale covers hundreds of watches, including the HydroConquest GMT Automatic for $2,504, down from $3,150. Styles range from dive watches like the Legend Diver to dressier Master Collection models with moon phase displays, with many listings backed by eBay's Authenticity Guarantee. Shop Now at eBay

eBay has marked down a wide range of OMega watches by up to 30%, including Seamaster, Speedmaster, and Constellation collections. A new Omega Seamaster Diver 300M James Bond 007 watch is listed at $9,940, down from $11,300, while a pre-owned Omega Speedmaster Edition is priced at $9,950, down from $15,000. Listings cover both brand new and pre-owned watches for men and women, each backed by eBay's Authenticity Guarantee. Shipping is free, too.  Shop Now at eBay

This Casio digital watch is $23.97 right now at Amazon, which is an all-time low. You'd pay $19 more for it today at Best Buy. Shipping is free for Prime members, too. It includes an LED light, alarm, auto calendar, and timer, all in a resin case and band. Buy Now at Amazon

eBay has a wide range of Tag Heuer watches discounted up to 30%, spanning popular lines like Carrera, Monaco, Formula 1, and Aquaracer. Prices range from under $800 for a Connected smartwatch to nearly $7,750 for a Carrera Chronosprint X Porsche model. Most listings are new with box and papers and come with eBay's Authenticity Guarantee plus free shipping. Shop Now at eBay

These Horuru ankle socks come in a 6-pair pack for $10, down from $15. It's the best price Amazon has charged for this multipack. They're made of a cotton, polyester, and spandex blend with cushioning and a quarter-length rise, designed for running and workouts. Buy Now at Amazon

Update: The price has dropped to $4.35 since this was originally published.

This 5-pack of Happy Socks originally cost around $30, so getting it for under $5 is a steal. It's Amazon's best-ever price. Similar pairs cost around $8 each directly from Happy Socks. They're 86% Cotton. Shipping is free for Prime members, too.  Buy Now at Amazon

It's a buck off its typical price and the bi-fold design includes a bat-themed eye cutout that frames an ID photo through the card window. Buy Now at Amazon

At Amazon, get this Men's Leather Dress Belt 2-Pack for $9.84. It's a strong price for two men's leather belts. Shipping is free for Prime members. Buy Now at Amazon

This Amazon storefront features a wide range of Spooktacular Creations adult Halloween costumes, with prices starting at $7.99. Styles include pirates, scarecrows, lederhosen outfits, and novelty designs, with several marked down from their typical prices. Shop Now at Amazon

This hands-free umbrella hat costs just $7.99 at Amazon for a $6 low.  Shipping is free for Prime members.  It has a 37" canopy with a silver-coated top designed to reflect heat and block UV rays and an auto-open button for easy use. Buy Now at Amazon

Update: The price has changed to $21.99 since this was originally published.

This DeWalt Apple Watch case drops to $19.79 at Amazon, down from its $24.99 list price. The raised bezel and shock-resistant bumper design aim to guard the watch face and body from everyday impacts and scratches, while cutouts keep the Digital Crown and buttons accessible. Buy Now at Amazon

This 5.11 Tactical Flag Bearer Cap is $9.97, down from $22 at 5.11tactical.com. It's made from 100% cotton canvas with embroidered eyelets for ventilation and a wicking sweatband with a foam insert for comfort. Or you can spend over $99 to get free shipping. (See their Labor Day section for lots of great deals to pad out your order.)  Buy Now at 5.11 Tactical