minimum croakies needed to rush sigma pi?

Hi, I will be a freshman here next fall. I really want to get into SIgma Pi because I hear the bros over there frat the hardest. I am confident that I have everything I need to make it; the Costas, the 2" inseam chubbies, the lacoste polo (it's a TFM), a lot of southern branded apparel (and I'm from Boston, TFTC), and my dad owns a car dealership.

But the ONE thing I think I'm lacking in is my croakie count. I recently lost a pair, bringing the number down to 29. Something in my natty-filled gut (it probably IS the natty) tells me that it's not enough. Does anyone have exact figures for how many more i'll need to buy?