If you refuse to work with other trainers, why are you here asking other trainers for advice?

I've purchased lots of tack through the years, and some of it I am in love with because it makes dealing with specific horses/problems easier, but long story short is once you know what you are doing you could make a horse work for you with a piece of string, if that is all you had.

The most beneficial purchases I have ever made have been the ones where I have loaded myself up in my car and gone and taken lessons from other trainers on other horses. If you are looking for bang for you buck when it comes to having a better experience with your own horse, a lesson for you is it.

ana gave you a brief version of one of the things that a trainer would probably work with you on, Jana, another.

If you don't like the trainers you have seen so far, keep looking. Find someone who is doing what you want to do and ask them for lessons. If you find an amateur that is good enough to train if they wanted to, it is possible that you can even get lessons for free, or for the cost of cleaning out a few stalls.

If you want to bounce specific ideas off of people, be specific. How do I get a horse to respond to the bit? Is the sort of question that people will send you to a trainer for because it is so broad. It isn't like a question of how do I change my oil in my car (still difficult to answer unless we know a lot more about your car), but it is more of a How do I build a steering system in a car, type of question. Expecting random people on the internet to give you a step by step guide for that isn't reasonable.