While the fees are an obvious cost, funds can provide benefits. One is that you can wire your money into the fund and you are invested immediately upon the agreed day. No waiting to buy loans. Due to the strong cash flow of this asset, you can also liquidate your position with pretty high likelihood with short notice. With a normal portfolio you'd have to let it run off or go to the secondary market. Some funds use leverage, which could be a benefit depending upon your risk appetite, and might be hard to replicate individually. Some funds also provide diversification across multiple platforms and credit classes (consumer, small business, student loan). There are four examples that could make the fees worthwhile.