US-centric :Ever drive by a house for sale and wonder what the price is? Find out on the spot using voice transcription service Jott and real estate valuation search engine Zillow. You'll need to register at Jott (it's free),... Read More »

Want to keep an ever-present eye on an item you just know is going to go discount at any moment? Price!pinx offers a price-watching service that doesn't require searching (like PriceAmbush) or limit itself only to Amazon, eBay, or any other big-name site. You provide your email address to Price!pinx, then add their bookmarklet to your browser's links bar. When you see a price you think/hope will go lower, highlight it and then hit the "!pinx" link. The site will then email you when it notices a drop in the digits. Looks like pretty handy stuff, although I haven't had the good fortune to see an item go on sale in the last 30 minutes. Let us know if you've used this service, or prefer another, in the comments.

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US-centric: No car, new or used, has just one price—there's a "published invoice" price, an MSRP listing, the "Blue Book value," and many more to weigh when haggling with a dealer or private party. PriceHub, a price-tracking web site... Read More »

Windows/Mac/Linux (Firefox): Flight-tracking website Yapta, previously mentioned here when it was an Internet Explorer-only extension, has released a Firefox version of its tagging tool. The same principle applies—head to an airline or travel aggregation website, start the standard date/passengers form rolling, and then click the "Tag it with Yapta" button on any flights you want to watch. You can then set Yapta to email you any time your tagged flights change in price by a dollar amount you choose. Yapta is a free download, which requires a sign-up at Yapta's website to function, and it works wherever Firefox does