Two quick questions...
Why do you a higher percent for larger xferrers? I don't understand why xferring 100m will cost more than 50m twice... if anything it should be cheaper?
Does the receiving account HAVE to have that much? Can't you xfer some, then use the money that has been xferred as the start off on the recieving account? IE: If you have 100m, you want to xfer it, but receiving account only has 500k. You xfer 2.5m then xfer the rest? Does that not work?