In theory 0% won't give you any profit or loss, since it's 0%
But, in reality even the site give you 0% house edge. Most people will lose because greed
But, if a dice site has negative house edge, gamblers might start making profit. But, some of them will lose because greed
0% hourse edge is good but nothing to be won or lost either way long term, often sites cant even make as entertaining a site due to lack of profits. 0% or very tiny house rake with p2p games is where its at.