However, care must be taken in two types of ads:
If Seller is foreing:
If so, the seller must give your address, street, number, district, and above all fixed telephone, with the latter figure walked into the White Pages telephone and verify that the phone corresponds to the address provided, do not rely on giving a cell phone and who knows where they are.
Many websites where you put free ads are irresponsible and allow anyone to place their ads on those pages can be found selling pirated DVDs, stolen goods and fabulous business online.
When you see an offer internet check the announcement page shows the IP of the seller (is a number that identifies the Internet connection), the date and even time, if you cheat with that data Police / Telephone company will track the seller and the complaint will be concrete.
Do not believe everything you see (jobs) over the Internet, many people are using the Internet to defraud.
There are many honest people selling their used stuff, but they put their data if real, do not hide anything.
If you have time visit the local house who will sell your offer. And never delete emails that you send the seller until the purchase has been satisfactory.
If the seller is abroad:
Here we must be more careful and you need to ensure that products can enter the country.
If you buy books or original CDs an online retailer of prestige if you come to your home. If something electronic ... MMMMM mmmmmm God will know ....
Free classifieds pages abound on the Internet with great ads have serious deficiencies in filtration scams, so you better not visit them, "If it is worth buying over the internet" but serious people. Again, inform yourself and be cautious.
When you visit a website, see if you have a legal notice and if this page records the owner's name or company, real address and phone. No credit and not rely on the pages that say "we are a group of young" or "we are a modern company." If you do not say who they are ... for somethings was.