If they are broken yes, if not then no. that's why you have eBay and other selling sites, just be careful when you do sell them, some people break them then complain about the condition they were in.
but no it's not illegal to sell them if they are in good condition, Yes if they are broken then you sold them saying they were in a good condtion
It may not be illegal to sell second-hand software, it depends on the law in the country you are in, but it is illegal to install software outside the terms of sale of that software, which usually means that it can only be installed on one computer.
Why would it be considered illegal to paint and resell a headset? :-)
You can sell it at freecycle :)
I have samsung galaxy wonder second hand I want to sell it. How?
There are a few places that a person can sell a second hand subwoofer. Some examples of where to sell a subwoofer are, a newspaper ad, a flea market, a yard sale, or on eBay.
Buy and Amazonm both sell shadow headphones.
No they are not. They sell new things too.
eBay is the best source. Try the headphones that should sell for $200 priced a below $10.
yes
In second hand store
The best clothes at a second-hand clothing store are pants and shirts.
You should be able to. Most Second Hand stores now only take console games though. PC games can be annoying to sell second hand.