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RFID Blocker

Card Slide-Out RFID Blocker

      More than 140 million people in the U.S. now make purchases with radio frequency I.D. credit or debit cards by holding such cards a few inches from a reader.  Thieves can buy an RFID scanner for about $ 60 – $ 80 U.S. dollars.  They can walk close by you or stand in line next to you with the scanner in a duffle bag, laptop case, or similar holder.  We’ve seen these RFID scanners sold on e-bay** to anyone with no requirements to purchase them other than having the measly $ 75 or so that it costs after shipping.  It may be a little scary, but fear not… Advice Watch has some defenses for you…  Some defensive tactics include:

  • Having multiple cards touching each card together causes conflicting transmissions which generally scramble jams the RFID scanner.
  • There are aluminum wallets which block RFID transmissions…  But we know this might not be of your preferred organizing methods or style, so…
  • You can in fact just use aluminum foil to wrap the card/s inside…  It works just as good as an aluminum wallet in blocking RFID transmissions…
  • But using Reynolds Wrap** may be too “cheesy” for you and besides, the foil will eventually get torn apart;  but you can still use aluminum foil and make an RFID signal blocker with the simple and fast how-to project below.  You can carry this around in your purse or wallet.  We’ve tested it and the foil does not seem to be prone to tear.

See How-To Make Your Own RFID Blocker – An exclusive Advice Watch DIY project.

envelope licking

Possible dangers in licking envelopes...


     We’ve all done it and do it all the time, but is it safe to lick envelopes? Well the issue may not necessarily concern the max of the word: “safe.” The word “safe” could mean different things to different people, as what they perceive to be safe is determined on their level of risk tolerance. But whatever your risk tolerance, there are some concerns relating to your health that you may not be aware of or have considered:

 Contamination:  This has much to do with the setting that you are in and/or the area that the envelopes are stored in. If you work in a public setting, the chances of contamination are generally considered high by the American Society for Microbiology**.  Think about it…  Just from the air alone, there are threats of dust mites and allergens sticking to the glue surface area.  If people touch the envelopes to move them or shuffle through a drawer, etc…, it is of deep concern considering that ASM reports that 20% of the American public does not wash their hands after using the restroom; and many more do not after touching public devices such as door handles.

  • Latex Allergy:  Latex is used by many envelope manufacturers to make the sticky glue surface. There is a tiny percentage of people who are allergic to latex.  But even of those who are allergic to latex, licking a single envelope is generally not considered to be a known significant threat.  But this has not been thoroughly researched.
  • Infestation:  Though seemingly rare, there have been some reported cases of tiny pests that have laid eggs on the sticky surface.  Dust mites have also been known to feed and lay eggs on the glue.
  • Paper Cuts:  This one is rather obvious, but consider being cut combined with the threat of contamination or infestation…  It produces a higher risk of infection.

     Contamination and infestation can occur either at the end users storage area, or it could have happened all the way back in the manufacturers facility or various storage and shipping areas along the way to the store, and at the store where sold.

     The Advice Watch best analogy of the topic:   Just buy an envelope moistener pen. They generally only cost about $ 2 or 3 dollars and are available at office supply stores. Some of them have an additional adhesive to make an even stronger bond if desired.

     If you own a website or know someone who does, be warned:  There is a new scam out there of back linking that is known as “black links.” They are made in link exchange offers. And now because of these “black links” most link exchanges are now primarily scams. …
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     An interesting little article here: (  Are You a Fast Food Addict?  ) about being addicted to fast food.  A potential pop-up ad, and some link through ads within the article.  All other things considered, a good info piece.



     Since gas prices continue to rise, we are in process of updating the gas saving sites/pages/videos for tips & techniques to save gas.  If you know of any or stumble across any that you think are good, please share.  Or, any specific tip or technique for that matter that hasn’t been considered.  Thanks a gazillion!


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