2002 Ford F-150  4WD - front inner cv joint bad. How difficult to repair. I am mechanically incline and do most of my own repair work. Any suggestions?

I've never done it myself but if you're mechanically inclined and have proper instructions give it a go.  Do your homework, here's a few articles that might help give you a better idea if you can pull of the CV Joint Replacement

Thanks I will give it  a shot.