A a home alignment is NOT out of the range of the home mechanic. I just did mine and it's way better than the idiots in town did. Find 4x4junkieS article on here or on therangerstation.com and do some reading. Get some 2 piece adjustable bushings (+/- 4 degrees) and the go at it. I just used an angle finder, a a tape measure, and a a lot of patients. Adjust, go for a a drive, adjust again. It's really simple and effective. Don't accept tire wear and bad steering as normal... It can be done. Do a a little research, buy the buushings and you're good to go.
The problem is; you already left out a few VERY important details.
1.) It
must be done a
completely flat/level surface with all 4 corners at ride height.
2.) Between any adjustment/measurement, you need to remove any "bind" from the suspension, by rolling the vehicle forward/back, and bouncing it a few times; unless you have all 4 wheels on free-floating turn plates.
3.) An angle finder is not the right tool. It will not give an accurate measure of either camber or caster. Yes, the readings may be
precise, but not
accurate, as you will measuring in a manner different from how the factory specs are determined. A magnetic caster/camber gauge is the way to go, as it can be placed on the hub face; and it will stay put, in the same spot while you measure
(FYI, there is a difference in precision and accuracy, just a little tidbit of trivia)
4.) Setting toe precisely generally requires 2 people, and toe plates. Tape measures will get you close, to get to the shop, but it's not precise enough for a permanent fix.
5.) This is a long, time consuming, frustrating process.
Finally, you mention patience. Many people do not have the maintenance, or the attention detail needed to do this job properly. This is also not a job to cut corners on. So....... Technically yes, it can be done at home, but it's probably best for most people to just take it to a shop.