So once again we have.... " I have an idea what do you think?". Then it's followed with..... "No! Save your time and money". With a classic response of "yeah, I'm just gonna do it anyway. No, no, no, I don't care about how it will cost just as much and ride goofy"
Dude, you just had guys who have done it tell you it's not a good idea. And cost really isn't cheaper. Not unless you have the parts already. Then there is cost to machine these spacers you need. Then there is the ride quality issue. It's a twitchy set up. Seriously, you may not want a race bike but you certainly don't wanna put a bunch of time and effort in to something that rides sketchy any way do ya? There are tons of used arms & shocks that pop up here a lot.