taking a shot at higher live stakes

[meleader2]

i currently play the 1/2 at a casino with a max buy in of 100$ (really sux), and was thinking of attempting the 2/5 (max 200$ buy in), but:

after asking several people who play at that stake, they say the play is wild, and it is horrible when the standard raise is 50$ which is 25% of your stack preflop. my question is in regard to buy ins...i have 15 buy ins right now for the 1/2, which would be 7.5 for the 2/5 if i were to play. i wanted to build to 20 buy ins before playing the 2/5 but know that i can probably sit around waiting for AA or KK and doubling up then playing with a big stack. is this a good idea or should i wait and make 40 buy ins at 1/2 (giving me 20 for the 2/5)??

thanks in advance.