0% edge can work as a model but not without the rakes and commissions,,, zero everything in your title is simply not possible as a business model, unless you strictly run poker competitions, and earn from advertising, sponsorship and fees (but nobody likes to pay fees, they do not mind commissions or rake though).
Also, as user above posts, if it is on-chain, you pay miner fees. If the tokens like Edgeless are cheap, players do not feel the pinch, but nobody likes to pay extra costs every hand they play.
I would rather improve on other parts of my gambling site than reducing the house edge to 0% as you are personally giving you and your member an equal shot of winning the game (which could be bad for business). Even though a 0% HE is an attractive way to promote your gambling site I don't think it would be good for you financially or if you are looking for 3rd party investors they won't bother looking at your site as House Edge would be important for them. Test the scheme for yourself you will find out what I mean.