A really stupid idea

[flopmonster]

Alright I've been playing poker about a year now online and I won like 20 k this past year playing anywhere from 2/4-10/20 (10/20 in the very loose but aggressive games at Pacific).... At party I've really only played the2/4 and 3/6 games (usually 6-10 tables at a time) and I have been doing well 2.71 BB over 30 K hands. I'm trying to move up limits and I've been watching higher tables and I really think I can beat the 15/30 game...I've noticed the 5/10 and 10/20 games are pretty tight tho...is this due to a small sample of observing or is there any truth to this? Also, a jump from 3/6 to 15/30 probably seems comical I'm sure but my goal is to accumulate a decent bankroll over time at the small limits then just jump into the 15 game when I get like 12 K. I'm an idiot...
Any comments appreciated