Thieves use credit card skimmers to steal your data, credit card skimming is where a thief uses a small device to steal credit card information at legitimate credit or debit card portals.
Do you really think you can do without your smartphone for a week A Utah-based company is willing to find out by offering $1000 to one lucky person who can do just that?
I have used Craigslist many times. I have bought on Craigslist and I have sold on Craigslist. There were a few times when I was leary especially when I was selling a car at my home and giving my address to a total stranger. Luckily for me, nothing bad happened and I didn't get robbed and they never came back to do any harm...