This is one of the forex facts, Demo and Live are never the same, my advice to you is if you find a good strategy that you are willing to seriously test, then test it on live account with micro lots to minimize any potential losses, that what i ...

difference in real prices on Demo and real micro account

It is first time i hear of this A and B booking, is B booking is also what is known as bucket shop?

What is A book vs B book in Forex trading?

Why don't you hedge your trades on the same broker (unless you are US based)? this will even give you the benefit of the two hedged trades cancelling eachother's margin and equity, giving you more free equity in your account to use to trade.

hedging with two brokers?