3-4 table 3/6 6-max or 8-table full ring

after a horrendous downswing that has obliterated my confidence, I have decided to play 3/6. *Puke* Anyway, which of my choices do you think would be better in terms of money/fine tuning/rakeback/etc. None of the rb calculators have 3/6 6-max, how does it compare to 5/10 6-max? In any event, I have punished myself by doing a 30-day sentence in 3/6 land, so any input is appreciated.

here's an owl: