This guide will show you step-by-step how to use Coinmama. Probably not. According to the website, they have over 2 million active traders. Should I leave my bitcoins on the exchange after I buy?
CardKangaroo CardKangaroo offers two ways to turn gift cards into cash. There are other online gift card brokers, including CardCash, which in addition to buying and selling gift cards, will allow users to trade gift cards. Typically, you can either sell the gift card directly to the website for less money or list the card for sale yourself potentially for more money.