Should i invest my money into moomoo ETF or thru SYFE? Which has lower fees.

Dependent on how many trades you place a month, Syfe has free 2 trades a month for Syfe Trade.

You can check if the ETF is available in Syfe trade or not. Syfe trade has 2 free trade per month so if you don't trade so frequent Syfe is cheaper,

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if it is multiple ETFs, Syfe custom allow creating your own collection of ETF (only certain ETF iare available) and there is no trading fee, for Syfe custom, there's management fee charged per month.