100% agree with @anotherparent. What is the goal? Does your son really need national level exposure? If so, can you explain why?
If you follow college baseball money, you understand that a lot of the national powerhouse schools are public institutions and have a (financial) preference for in-state or sometimes "next-door" state players because their limited (11.7 for 35 players) scholarship money goes farther. For example, let's look at the super regional matchups; Notre Dame, Tennessee, Connecticut, Stanford, Auburn, Oregon State, Oklahoma, Virginia Tech, Louisville, Texas A&M, Texas, East Carolina, Mississippi, Southern Mississippi, Arkansas, and North Carolina. By my count fourteen of sixteen are public universitites. Additionally, you better have more than baseball skills to get into the two private universities on the list Notre Dame or Stanford. I'm not saying these public universities don't recruit out of state. They do. But all things being equal, the public schools have a preference for in state recruits. So, understanding whether your son's exposure strategy (budget $$) is better suited for national or regional goes a long way to understand where the likelihood of an offer can come from.
I was as guilty as the next parent in keeping these national showcase teams in business. Looking back, in his case it wasn't needed for baseball reasons. But it did help with national level academic schools. Once we figured that out, we targeted different showcases, and camps.
Just my experience. Good luck!