As an individual invester, you can focus hundred percent of your time just on investing. As a fund manager, first of all, your performances out in the open,. You're answerable to invester. And again, your time gets up into non-investment activities like branding and marketing team. Once you reach a certain size, i men, i've seen that if you have to buy one % in a company, just wit, the impact cost is as much as 15%.