Be wise and be wary, but try not to be paranoid. I once travelled with a guy who couldn’t relax because he was convinced everyone was out to steal his money or diddle him. He lost his car keys at one point and started blaming the family who had put us up for the night in the desert. He eventually found the keys at the bottom of his sleeping bag. More: 10 Travel Scams that cost unwary travellers
8. Manage your money. If you plan on using your debit and credit cards, make sure to notify your bank in advance that you’ll be abroad, or you may find your card blocked for suspicious activity. Research beforehand where are the best spots to exchange your money into local currency as ATMs might be scarce in certain places. When out and about, always carry a small amount of cash with you.
In addition to pulling down the germ-ridden bedspread (such bedding only may get washed every few months), take a moment to peel back the sheets and inspect your mattress for little reddish-brown spots — evidence of bedbugs. Because bedbugs are attracted to heat, aim a hairdryer at the mattress to draw any of those little buggers who’ve burrowed themselves deep.
“I’m a firm believer that everything you need for a trip — whether it be three days or three weeks — should be able to be packed in a carry-on. This is simple once you master the art of layering your clothes. Choose a color combination for your attire and pack only pieces that match this so that you can mix, match and layer to create different looks (instead of packing completely separate outfits).” 
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