If my Spinda is Confused and I attack but flip tails for the Confused effect, do I then flip again for its "Tangled Feet" Ability to try to prevent that damage?
No. When you flip tails for Confusion you don't do damage, you place damage counters, which does not trigger Tangled Feet.
Source: Paradox Rift FAQ; TPCi Rules Team (2023-11-02)