$2K won't even cover the costs of materials for a decent paint job.
If that's all you're budgeting, concentrate on the brakes, electrical and drive train. Bear in mind though that a wiring harness can run north of $500.
Adding larger wheels can demand a lift and a brake upgrade. A lift alters the geometry of the suspension which demand more parts and work. And so it goes...
Jeeps are money pits. Restoring any vehicle is a deeeeep money pit. Try to keep it minimal.
Sorry to throw a wet rag at you, but I'm just trying to give you a heads up beforehand.