Re: This could be the dumbest question youve ever heard but....
Most everyone answered your questions, I just wanted to add something about the bikinni top. I highly recomend the Kayline brand Bikinni top. That's the only one I'm aware of that actually goes over and past the rollbar a little bit. The best top stops at the rollbar and doesn't use those straps that go all the way back. I'm not sure about the tops for less brand. About the missing links, since you are short on money, it might be more economial to go straight to the spoa.with the missing link you have to buy longer springs plus the longer brake lines driveshaft spacers etc. just as you would have to with the spoa, except the added price of getting front CJ springs. SPOA will give you a little bit more ground clearance for your frame and body. If you have or can get a set of CJ front leaves for cheap it might be cheaper to do the missing link.
As for the ease of instalation for M/L's, pretty easy I would imagine, just switch springs and shackles, and weld the fron bumpstops to the frame. You might want to get new front shock towers and longer shocks and brake lines while you are at it.good luck
88 Sammy in the garage