Originally Posted by oskar

I'll also take the freedom to assume that you are neither rolled nor can you beat £40NL. If loosing £1000+ while you're learning won't affect you personally then go ahead, but it would be more wise in my opinion to start your BR from the lowest possible level so you make your mistakes at stakes where it doesn't really matter, and you won't have to dig yourself out of the hole once you manage to beat the game.