I use to sell bitcoins on eBay under the account names robonixio and oixinobor. I also used to sell bitcoins at MercadoLibre, also under the account name robonixio. Unfortunately, eBay and MercadoLibre are very hostile environments, where one must constantly fend of scammers, trying to claim that hackers compromised their accounts. Thus making it necessary for me to constantly stay on top of (and respond to) a neverending onslaught of resolution center communications. As of then, I’ve changed my strategy just buy and HODL.