And legality. I'm not sure why people seem to entirely discount that portion. There's more reward by selling on the black market, but there's also more risk associated with that.
A laptop alone could get me $250, but no one wants to give me even $10 for telling them their door is unlocked.
In general what are some risks invovled (I am just not very familiar and wondering in general). Is it a tax issue, the chance IRS could come after you for undeclared income?