Dohouch, there is a wealth of yield management knowledge in the answers to your questions, even if they are easy to read and might even seem a little bit uncomplicated. I am not going to single out any individual post because some of us SLF rely on this knowledge to get good fares for ourselves and there is no point in pointing out the details to airline Yield Management people who read this forum.
You could usefully try these suggestions, or if you need a quick solution, then the whole post about the travel agency is exactly the same that I heard given to a group of industry insiders by the head of yield management for an airline.