Did you checked already https://openings101.org/tarrasch-defense ?
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My experience with Tarrasch so far is lackluster. I keep finding myself in dubious positions where I am down a pawn even if there is compensation for it, or you need a long streak of tactical combinations to get the pawn back, which I admit I am not good enough.
Now the games are pretty lively and you can't say that on all of Queens Gambit variations, but I have to either switch or learn it better to not get the worse end of this stick.
Any advices?