This is one of those things where again, one will have to weigh the costs of both alternatives. A rebalancing ETF usually has higher costs (management fees, but

This is one of those things where again, one will have to weigh the costs of both alternatives. A rebalancing ETF usually has higher costs (management fees, but possibly also internal trading costs that show up as performance beneath benchmark index), but of course, manually rebalancing also has a cost – the cost of one's time and effort!