Even professional active money managers usually don't do better than the market after their higher investment management expenses, higher trading expenses, and increased capital gains taxes are added in. (bestnoloadmutualfund.com)
So, if a mutual fund turn over is 30 % (which would qualify as a very low turnover fund), it is costing you 0.3 % in trading expenses. (canadiancapitalist.com)
A positive note: the portfolio turnover ratio is very low, resulting in low trading expenses. (alphavulture.com)