Should I go with TAG?

I recently discovered I had some expensive Pokemon cards in good condition worth grading (gold star vaporeon and mew) from my childhood. Just wondering if I should go with TAG or PSA to maximize the profit. I went to a card show recently and almost every vendor had PSA slabs I saw only about 1 or 2 TAG slabs the whole show. While I think tag has better slabs is it safe to say PSA is better for profit since it’s still what most people use???? Thanks for feedback.