I kinda feel like saying a SYE is "required" is misleading and not correct. I know folks personally and I know of people on this site that have 4" of lift and are doing fine without a SYE.
Why can't he do a transfer case drop?.....
Or, how bout the RE Hack n Tap??
Product: RE1807 - SYE KIT CV TJ, 96+ XJ/ZJ - Rubicon Express
Install (This one is on an XJ..provided this link to give an idea of whats involved): Hack 'N Tap SYE Installation
Just a thought...considering the low budget and all.