JOLLY RANCHER- WOW!It looks like your really making a solid effort to work on you kavanah, I’m sure that just by your strong desire to make an improvement H’KBH will help you and you will be matzliach. Just a few tips that I know work for me, not that I am an expert on this, very far from it, this is something that I am also constantly working on.
I find that when I make a set amount of time for davening, and by not allowing myself to do ANYTHING until I daven, my kavanah is automatically much better.This is because once I do one thing, more and more things come up, and then I have less time and my kavanah is therefore affected due to time constraints.
I also find that stopping for a minute before davening to think about it( like seeallsides said) and realizing what a privilege I have to be able to daven to H”KBH,and how lucky I am to have a private audience with our Father and King in Heaven, makes all the difference for me, for sometimes we forget that Tefillah is much more a privilege then a responsibility! Hatzlocha again!