lookin to move up to middle stakes in a lil while. got some questions.

[MindGamez]

soo... i tried to search feature, but im bad and i cant find anything.

ive heard there's a big skill gap in the 1/2 games and the 2/4 games. what exactly should i be expecting? also, whats a good BR for the 2/4 6 max games for an average player. umm... yah im sure theres been alot of threads on this but im mainly lookin for what will change so i can start thinkin about it