Hello Milt,
Regarding do-it-yourself, it is certainly possible and lots of folks do. I planned to do all my own work and I studied all, or many, of those posts in this forum since I'm a real novice when it comes to hydraulics. After much reading I pretty much understood how it worked. I bought the right valve and figured out how to mount it. But then when it came to specifying the hose connections I got confused and uncertain. It's not really complicated but there are a lot of ways to go wrong. Finally decided I had better call in a pro. I ended up paying for some more education but the job got done right.
Regarding do-it-yourself, it is certainly possible and lots of folks do. I planned to do all my own work and I studied all, or many, of those posts in this forum since I'm a real novice when it comes to hydraulics. After much reading I pretty much understood how it worked. I bought the right valve and figured out how to mount it. But then when it came to specifying the hose connections I got confused and uncertain. It's not really complicated but there are a lot of ways to go wrong. Finally decided I had better call in a pro. I ended up paying for some more education but the job got done right.