I read somewhere that some people exchange with their friends who they can trust. Otherwise, my opinion it's risky. How you can know if they sell because they need cash or if they want to sell because they just noticed after buying that certificate(s)has/have problem.
I read somewhere that some people exchange with their friends who they can trust. Otherwise, my opinion it's risky. How you can know if they sell because they need cash or if they want to sell because they just noticed after buying that certificate(s)has/have problem.