In this paper, we will delve into the ins and outs of exchange traded funds. By breaking down the total cost of ownership through a fee exposition beyond the well-known and comfortable costs, the additional figures can be uncovered. An awareness of these numbers and their historically misunderstood relationship to portfolio exposure and performance can impact not only the integrity of the professional investor, but the best outcome for their client. The appropriate disclosure and utilisation of this knowledge can be imperative to selecting the most opportune ETF to suit all an individual’s needs.