To be fair, there are other transaction costs involved in buying and selling ETFs, even if commission - free. (kevinoninvesting.com)
The goal with Ethereum smart contracts is to provide security and redundancy that is superior to traditional contract law while reducing other transaction costs associated with contracting. (investinblockchain.com)
Unfortunately, it could also prove pricey, with many discretionary managers charging, 2 percent a year of the portfolio value — on top of fund charges and other transaction costs [1]. (insurancenewsnet.com)